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charm felipps

Malta Web Development Services - 1 views

I was so glad that I found RightBrain when I needed help in Web Development. Their skills in building sites that are as brilliant and as mobile as they are for the desktop have greatly helped me. T...

started by charm felipps on 30 Aug 13 no follow-up yet
fspore

Values, Types, and Operators :: Eloquent JavaScript - 0 views

eloquentjavascript.net/01_values.html

javascript programming

shared by fspore on 27 Jun 15 - No Cached
  • Not all operators are symbols. Some are written as words. One example is the typeof operator, which produces a string value naming the type of the value you give it.
  • Having such numbers is useful for storing strings inside a computer because it makes it possible to represent them as a sequence of numbers. When comparing strings, JavaScript goes over them from left to right, comparing the numeric codes of the characters one by one.
  • There is only one value in JavaScript that is not equal to itself, and that is NaN, which stands for “not a number”.
  • ...16 more annotations...
  • In practice, you can usually get by with knowing that of the operators we have seen so far, || has the lowest precedence, then comes &&, then the comparison operators (>, ==, and so on), and then the rest. This order has been chosen such that, in typical expressions like the following one, as few parentheses as possible are necessary:
  • The difference in meaning between undefined and null is an accident of JavaScript’s design, and it doesn’t matter most of the time. In the cases where you actually have to concern yourself with these values, I recommend treating them as interchangeable (more on that in a moment).
  • . Yet in the third expression, + tries string concatenation before numeric addition
  • When something that doesn’t map to a number in an obvious way (such as "five" or undefined) is converted to a number, the value NaN is produced.
  • Further arithmetic operations on NaN keep producing NaN, so if you find yourself getting one of those in an unexpected place, look for accidental type conversions.
  • g ==, the outcome is easy to predict: you should get true when both values are the same, except in the case of NaN.
  • But when the types differ, JavaScript uses a complicated and confusing set of rules to determine what to do. In most cases, it just tries to convert one of the values to the other value’s type. However, when null or undefined occurs on either side of the operator, it produces true only if both sides are one of null or undefined.
  • That last piece of behavior is often useful. When you want to test whether a value has a real value instead of null or undefined, you can simply compare it to null with the == (or !=) operator.
  • The rules for converting strings and numbers to Boolean values state that 0, NaN, and the empty string ("") count as false, while all the other values count as true.
  • where you do not want any automatic type conversions to happen, there are two extra operators: === and !==. The first tests whether a value is precisely equal to the other, and the second tests whether it is not precisely equal. So "" === false is false as expected.
  • The logical operators && and || handle values of different types in a peculiar way. They will convert the value on their left side to Boolean type in order to decide what to do, but depending on the operator and the result of that conversion, they return either the original left-hand value or the right-hand value.
  • The || operator, for example, will return the value to its left when that can be converted to true and will return the value on its right otherwise. This conversion works as you’d expect for Boolean values and should do something analogous for values of other types.
  • This functionality allows the || operator to be used as a way to fall back on a default value. If you give it an expression that might produce an empty value on the left, the value on the right will be used as a replacement in that case.
  • The && operator works similarly, but the other way around. When the value to its left is something that converts to false, it returns that value, and otherwise it returns the value on its right.
  • Another important property of these two operators is that the expression to their right is evaluated only when necessary. In the case of true || X, no matter what X is—even if it’s an expression that does something terrible—the result will be true, and X is never evaluated. The same goes for false && X, which is false and will ignore X. This is called short-circuit evaluation.
  • - to negate a number
Venus E BusinessSolution

Get Your First Website Free Limited Offer - 0 views

www.vebs.in/rst-website-free-limited-offer

#summertaining #webdesigning #softwaredevelopment #responsivedesign #seocompany #itcompanyinbareilly #professionalwebdesigner #seotraininginbareilly #Webdevelopment

shared by Venus E BusinessSolution on 13 Aug 15 - No Cached
  • Venus E BusinessSolution on 13 Aug 15
     
    Whether you want to create a blog or a website, You can create It for free from here. You just have to follow these steps to get a website/blog for free. Purchase a Hosting plan (Every Website needs some space on the server to be Up): We recommend you to purchase Hostgator Hosting.
Joel Bennett

Using C++ Interop (Implicit PInvoke) - 0 views

msdn2.microsoft.com/...2x8kf7zx(VS.80).aspx

.net @public c++ development interop pinvoke reference windows

shared by Joel Bennett on 22 Feb 07 - Cached
  • C++ Interop is recommended over explicit PInvoke because it provides better type safety, is typically less tedious to implement, is more forgiving if the unmanaged API is modified, and makes performance enhancements possible that are not possible with explicit PInvoke.
  • C++ Interop allows COM components to be accessed at will and does not require separate interop assemblies
  • Joel Bennett on 22 Feb 07
     
    Because it is the language of the native APIs, Visual C++ has a special status on Windows which makes it  the best language for interacting with the platform APIs -- whether those are pure C++ APIs or COM components. This is partly due to the fact that unlike other .NET languages, Visual C++ allows managed and unmanaged code to exist in the same application and even in the same file ... allowing integration with existing apps and platform APIs that is just not possible in other .NET languages.
Joel Bennett

Policy Injection App Block - Behind the Scenes - 0 views

blogs.msdn.com/...p-block-behind-the-scenes.aspx

.net @public aop aosd businessrules codeinjection development enterpriselibrary rit

shared by Joel Bennett on 12 Apr 07 - Cached
  • We use an interception mechanism to get in the way of calls going to that member, collect a list of policies that apply using a matching rules mechanism, run the chain of handlers specified by those policies in a chain of responsibility and at the other end dispatch the call to the target. Once the target is done - successfully or with exceptions - the stack unwinds, returning through each handler and finally back to the caller.
    • Joel Bennett
      Joel Bennett on 12 Apr 07
       
      So we can only advise "before"
  • Joel Bennett on 12 Apr 07
     
    Very good read (particularly their evaluation of weaving methods).

    Although as a result their "Policy Injection" application block isn't as powerful as most of the straight-up AOP toolkits out there, it does have a *huge* upside: not only is the code produced by this supportable by Microsoft Product Support, it's now officially part of the Patterns and Practices recommendations!

    The down side is that the only injectable objects are ones created through a "Factory" method (you can't just use the *new* constructor) this brings some performance hits ... but then, you get the ability to separate concerns and apply policies and even business rules after the fact!
Joel Bennett

Windows Vista update - improves compatibility, reliability, and stability - 0 views

support.microsoft.com/941649

@public kb software update vista windows

shared by Joel Bennett on 04 Oct 07 - Cached
  • It improves the stability of Windows PowerShell.
  • It shortens the recovery time after Windows Vista experiences a period of inactivity.
  • It improves the reliability of Windows Vista when you open the menu of a startup application.
  • ...1 more annotation...
  • This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.
  • Joel Bennett on 04 Oct 07
     
    Wow, it slices, it dices, it juliannes... and it even seems to help!
Joel Bennett

media for the inner you | matchmine.com - 0 views

www.matchmine.com

@public preferences privacy social

shared by Joel Bennett on 04 Oct 07 - No Cached
  • Joel Bennett on 04 Oct 07
     
    An api for preferences and social sharing of them to get valid recommendations for music, videos, blogs, etc
Joel Bennett

C Programming.com - C++ and C Made Easy - 1 views

www.cprogramming.com/tutorial.html

c c++ develop tutorials

shared by Joel Bennett on 08 Feb 07 - Cached
  • Joel Bennett on 08 Feb 07
     
    CProgramming.com is an excellent resource with lots of good tutorials and even quizes to help you asses your skills.
  • anonymous on 02 Oct 13
     
    www.killdo.de.gg Most quality online stores. Know whether you are a trusted online retailer in the world. Whatever we can buy very good quality. and do not hesitate. Everything is very high quality. Including clothes, accessories, bags, cups. Highly recommended. This is one of the trusted online store in the world. View now www.retrostyler.com
Joel Bennett

The Code Project - ComboBoxTree - C# Controls - 0 views

www.codeproject.com/...ComboBoxTree.asp

.netframework @public controls develop

shared by Joel Bennett on 08 Feb 07 - Cached
  • anonymous on 02 Oct 13
     
    www.killdo.de.gg Most quality online stores. Know whether you are a trusted online retailer in the world. Whatever we can buy very good quality. and do not hesitate. Everything is very high quality. Including clothes, accessories, bags, cups. Highly recommended. This is one of the trusted online store in the world. View now www.retrostyler.com
Joel Bennett

A Free Plot / Graph / Chart Library for .NET (C#, VB.NET, etc) - 0 views

www.netcontrols.org/scpl

.netframework @public controls develop

shared by Joel Bennett on 08 Feb 07 - Cached
  • anonymous on 02 Oct 13
     
    www.killdo.de.gg Most quality online stores. Know whether you are a trusted online retailer in the world. Whatever we can buy very good quality. and do not hesitate. Everything is very high quality. Including clothes, accessories, bags, cups. Highly recommended. This is one of the trusted online store in the world. View now www.retrostyler.com
Joel Bennett

Krugle - 0 views

krugle.com

code develop search

shared by Joel Bennett on 08 Feb 07 - Cached
  • Joel Bennett on 08 Feb 07
     
    An elegant search engine for coders: finds code that Google doesn't (yet) because it indexes sourceforge (among others).
  • anonymous on 02 Oct 13
     
    www.killdo.de.gg Most quality online stores. Know whether you are a trusted online retailer in the world. Whatever we can buy very good quality. and do not hesitate. Everything is very high quality. Including clothes, accessories, bags, cups. Highly recommended. This is one of the trusted online store in the world. View now www.retrostyler.com
Joel Bennett

"Loading" gif generator - 0 views

www.ajaxload.info

develop graphics stockart webdesign

shared by Joel Bennett on 08 Feb 07 - Cached
  • Joel Bennett on 08 Feb 07
     
    Slick little generator for "busy" animations (with a focus on the new circle-throbbers) in different colors (and only in .gif format)
  • anonymous on 02 Oct 13
     
    www.killdo.de.gg Most quality online stores. Know whether you are a trusted online retailer in the world. Whatever we can buy very good quality. and do not hesitate. Everything is very high quality. Including clothes, accessories, bags, cups. Highly recommended. This is one of the trusted online store in the world. View now www.retrostyler.com
liza cainz

Help Gurus Awesome Microsoft Help and Support - 1 views

Help Gurus computer support service has been an excellent resource of information about Microsoft software. Their certified Microsoft help technicians did not only fixed my Microsoft software issue...

support service Desktop computer technical services PC tech

started by liza cainz on 07 Jan 11 no follow-up yet
liza cainz

Efficient and Secured Computer Support - 1 views

Several months ago, I decided to change my Microsoft Windows support provider. The Microsoft help company I was using was not proficient in what they do. A friend of mine referred HelpGurus Compute...

support service Desktop computer technical services PC tech

started by liza cainz on 10 Feb 11 no follow-up yet
joey potter

I Need Computer Technical Help Now - 2 views

"I have no time to wait". That is what I muttered when my computer suddenly went on a blue screen. I had a project and I needed to pass it on time. But with my computer on trouble, I would not make...

computer technical help

started by joey potter on 07 Jun 11 no follow-up yet
sally pearson

Renewing My Remote Computer Help Subscription - 3 views

My friend recommended ComputerHelpFastOnline - an emerging team of computer savvy tech support professionals - to provide computer help for my business. Thank God I heeded his words because since I...

computer help

started by sally pearson on 06 Jun 11 no follow-up yet
Maria Babae

Fix Computer Today Saves the Day - 1 views

I once had this laptop wherein I was about to use for a presentation. Unexpectedly, the laptop got some problems. I actually panicked and was about to call my people to postpone my presentation. Bu...

started by Maria Babae on 10 Aug 11 no follow-up yet
shai edrote

They Are the Best Computer Tech Specialists - 1 views

I called Fix Slow Computer Today because I wanted them to fix slow computer fast. I need their expert computer tech specialist to help me with my slow PC problem. I heard they are the best and trus...

fix slow computer

started by shai edrote on 13 Jul 11 no follow-up yet
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