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Christina Mulligan

DevOps' reality check - 0 views

www.sdtimes.com/...70091

programming software development agile devops

shared by Christina Mulligan on 30 Apr 14 - No Cached
  • Christina Mulligan on 30 Apr 14
     
    So you don't work at Facebook, Etsy or Netflix. Should you join the DevOps movement, now nearing the half-decade mark? With origins in the O'Reilly Velocity Conference, lean manufacturing, infrastructure as code and continuous delivery, DevOps, like agile before it, has captured the imaginations of practitioners, gurus, vendors-and now, executives.
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subsequent1 subsequent1

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longchamppas

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started by longchamppas on 29 May 15 no follow-up yet
longchamppas

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Une seconde pollution pétrolière en Californie aux origines inconnues a entraîné la fermeture de plusieurs plages, jeudi 28 mai à côté de Los Angeles, dix jours après la marée noire survenue près d...

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started by longchamppas on 29 May 15 no follow-up yet
longchamppas

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Une seconde pollution pétrolière en Californie aux origines inconnues a entraîné la fermeture de plusieurs plages, jeudi 28 mai à côté de Los Angeles, dix jours après la marée noire survenue près d...

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longchamppas

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started by longchamppas on 24 Jul 15 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
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started by longchamppas on 13 Aug 15 no follow-up yet
longchamppas

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started by longchamppas on 13 Aug 15 no follow-up yet
Paris Polyzos

Application Request Routing : The Official Microsoft IIS Site - 0 views

www.iis.net/...applicationrequestrouting

iis arr distributed systems

shared by Paris Polyzos on 11 Aug 10 - Cached
  • rules based on the URL, HTTP headers, and server variables to determine the most appropriate Web application server for each request
  • ARR enable hosting providers to route requests from clients to specific Web application servers in a server farm by creating an affinity between the client and server.
  • They can easily add or remove servers from a server farm to match demand throughput without impacting application availability
  • ...5 more annotations...
  • ARR is able to cache on disk any HTTP traffic that passes through the server
  • hierarchy of IIS Web servers running ARR, CDNs and hosting providers are able to considerably reduce the network traffic that traverses up to the origin server.
  • Health monitoring
  • Disk-based caching
  • Warming up cache mode
  • Paris Polyzos on 11 Aug 10
     
    enables Web server administrators, hosting providers, and Content Delivery Networks (CDNs) to increase Web application scalability and reliability through rule-based routing, client and host name affinity, load balancing of HTTP server requests, and distributed disk caching
Joel Bennett

XmlSerializable Sample Code Generator 1.4.2.1 - 0 views

www.microsoft.com/...details.aspx

.netframework addins c# code-generation develop tools vb.net xml

shared by Joel Bennett on 08 Feb 07 - Cached
  • The Sample Code Generator (XSDObjectGen) tool takes an XSD schema as input and generates sample code showing how to mark up C# and VB.Net classes so that when serialized with the XML serializer, the resulting XML will be valid according to the original schema.
  • Joel Bennett on 08 Feb 07
     
    Makes skeleton C# or VB classes that will serialize to match an XML Schema.
Joel Bennett

ZVTM - Zoomable Visual Transformation Machine - 0 views

zvtm.sourceforge.net

@public development java opensource piccolo zui

shared by Joel Bennett on 03 Dec 07 - Cached
  • Joel Bennett on 03 Dec 07
     
    An open source zoomable UI like Piccolo, originated from Xerox Research
Joel Bennett

PowerShell For Fun - 0 views

mshforfun.blogspot.com

@public develop powershell scripting

shared by Joel Bennett on 08 Feb 07 - Cached
  • Joel Bennett on 08 Feb 07
     
    The original dev blog for PowerShell Remoting
  • anonymous on 25 Sep 13
     
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Joel Bennett

Introducing the Anti-Cross Site Scripting Library - ASP.NET Forums - 0 views

forums.asp.net/1062815.aspx

asp.net defensive development hacking library microsoft webdesign xss

shared by Joel Bennett on 22 Jul 08 - Cached
  • Cross-site scripting (XSS) attacks exploit vulnerabilities in Web-based applications that fail to properly validate and/or encode input that is embedded in response data.  Malicious users can then inject client-side script into response data causing the unsuspecting user's browser to execute the script code.  The script code will appear to have originated from a trusted-site and may be able to bypass browser protection mechanisms such as security zones.
  • Joel Bennett on 22 Jul 08
     
    Asp.Net forum post announcing the Anti-Cross Site Scripting (XSS) library from Microsoft, with links to downloa.d and documentation
Joel Bennett

SgmlReader 1.7.2 - Open Garden - 0 views

wiki.opengarden.org/...SgmlReader_1.7.2

development opensource sgmlreader xml xmlreader

shared by Joel Bennett on 12 Apr 08 - Cached
  • The original community around SgmlReader used to be hosted by GotDotNet, but is now being phased out.
  • Joel Bennett on 12 Apr 08
     
    SgmlReader was a source reference assembly from Microsoft which allows parsing Html as Xml -- that is, it takes poor, and even invalid Html and converts it to XHtml and gives you an XmlReader or XmlDocument from it.
Rick Fan

McCoy - MDC - 0 views

developer.mozilla.org/McCoy

shared by Rick Fan on 11 Oct 08 - Cached
  • Once you have a key you need to add its public part to your add-on's install.rdf file. The simplest way to do this is to select the key then click the Install toolbar button. You must then locate your install.rdf for McCoy and the public part of the key will be added directly to the file. The file will be overwritten so take a backup if you need to.
  • You need to use McCoy to sign this file so that the application can verify that it really came from you. Simply select the key you originally added to the add-on's install.rdf, then click the "Sign" toolbar button, select your update.rdf file and the data in it will be signed. It's important to note that if you change any information in the update file then it must be signed again.
David Corking

Steve's Squeak Enhancements - 0 views

squeak.preeminent.org

Squeak

shared by David Corking on 16 Jun 09 - Cached
  • The photos publisher will produce the html files necessary to share your photos. It will copy the original images to the target web site folder as well as create image thubmnails that look pretty nice. It will create the subdirectory folder structure as required. The
    • David Corking
      David Corking on 16 Jun 09
       
      Who says you can't do scripting in Smalltalk?
  • David Corking on 16 Jun 09
     
    Nice set of applications here
Matteo Spreafico

JavaScript: The World's Most Misunderstood Programming Language - 0 views

javascript.crockford.com/javascript.html

javascript programming Scripting

shared by Matteo Spreafico on 12 Aug 09 - Cached
  • JavaScript, aka Mocha, aka LiveScript, aka JScript, aka ECMAScript, is one of the world's most popular programming languages
  • It was originally called LiveScript, but that name wasn't confusing enough.
  • You get lambdas without having to balance all those parens.
Eamonn O'Brien-Strain

Git Reference - 0 views

gitref.org/remotes

shared by Eamonn O'Brien-Strain on 22 Dec 10 - No Cached
    • Eamonn O'Brien-Strain
      Eamonn O'Brien-Strain on 22 Dec 10
       
      "git pull origin master" is the incatation that I usually use when working on the master branch.
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