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Using tags to turn off caching in all browsers? [duplicate]
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Sometimes we need to break some Validator rules in order to make things work on all browsers.
– Axel Advento
Jul 1 '13 at 0:41
27
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What's the fastest way to convert String to Number in JavaScript?
...ts in the test for general comparison. My guess is that it may change the order in some cases because string to float conversion is generally slower than string to int conversion. The way the test is now, it's getting away with a string to int conversion when Number() is used.
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Get users by name property using Firebase
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In October 2014, Firebase rolled out new querying functionality via the orderByChild() method, that enables you to do this type of query quickly and efficiently. See the updated answer below.
When writing data to Firebase, you have a few different options which will reflect different use case...
Convert RGB to RGBA over white
...u can solve:
a = (x - x')/(255 - x') x' = (x - 255 a)/(1 - a)
Etc. In real values this has infinitely many solutions, just plug in any real number a, but the problem is to find a number for which the discretization error is minimal.
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JavaScript replace/regex
...on literal, the reverse-solidus ('\') need not itself be escaped ('\\') in order for it to be part of the regular expression. Further, the regular expression literal can be compiled when the script is parsed rather than each time the function is executed. In order to match a reverse-solidus you ca...
angular ng-bind-html and directive within it
...pe, sometimes it
// needs to be explicitly called into a string in order to
// get the HTML string.
element.html(value && value.toString());
// If scope is provided use it, otherwise use parent scope
var compileScope = scope;
if (attrs.bindHtml...
Get the value of an instance variable given its name
...iting so instead of having many variables + an array with the names in the order I wanted, I put the parameters themselves into the array (the design decision was whether to access variables each time by searching the array or optimize by having an additional array with their names that would be use...
How to store standard error in a variable
...up a couple of extra file descriptors to manage the redirections needed in order to do this.
#!/bin/bash
exec 3>&1 4>&2 #set up extra file descriptors
error=$( { ./useless.sh | sed 's/Output/Useless/' 2>&4 1>&3; } 2>&1 )
echo "The message is \"${error}.\""
exec...
What's the difference between REST & RESTful
...t follow the REST architecture and are basically REST-like, REST-wannabies etc. So always pay attention that a "RESTful service" is not necessarily built using REST architecture, but true as Justin Ethier wrote: exploits the existing technology and protocols of the Web.
– Azder...
How to loop through all the properties of a class?
...ic instance properties (excluding static properties, protected properties, etc).
You don't need to specify BindingFlags.GetProperty, you use that when calling type.InvokeMember() to get the value of a property.
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