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How are cookies passed in the HTTP protocol?
...uest header.
Cookie:name=value
See the HTTP Cookie article at Wikipedia for more information.
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What is the “-d” in “npm -d install”?
I've seen some posts that refer to running npm with a -d argument. For example, this issue refers to doing npm -d install coffee-script . There are a few other pages that also refer to this syntax, including the install instructions for at least one npm package.
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How to “properly” create a custom object in JavaScript?
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There are two models for implementing classes and instances in JavaScript: the prototyping way, and the closure way. Both have advantages and drawbacks, and there are plenty of extended variations. Many programmers and libraries have different app...
Can I catch multiple Java exceptions in the same catch clause?
...
This has been possible since Java 7. The syntax for a multi-catch block is:
try {
...
} catch (IOException | SQLException ex) {
...
}
Remember, though, that if all the exceptions belong to the same class hierarchy, you can simply catch that base exception type.
Al...
Is it possible to set the equivalent of a src attribute of an img tag in CSS?
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Use content:url("image.jpg").
Full working solution (Live Demo):
<!doctype html>
<style>
.MyClass123{
content:url("http://imgur.com/SZ8Cm.jpg");
}
</style>
<img class="MyClass123"/>
Tested and working:
Chrome 14....
Downloading an entire S3 bucket?
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AWS CLI
See the "AWS CLI Command Reference" for more information.
AWS recently released their Command Line Tools, which work much like boto and can be installed using
sudo easy_install awscli
or
sudo pip install awscli
Once installed, you can then simply run:
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Difference in months between two dates
...tive value
((date1.Year - date2.Year) * 12) + date1.Month - date2.Month
Or, assuming you want an approximate number of 'average months' between the two dates, the following should work for all but very huge date differences.
date1.Subtract(date2).Days / (365.25 / 12)
Note, if you were to use t...
What is an MvcHtmlString and when should I use it?
The documentation for MvcHtmlString is not terribly enlightening:
4 Answers
4
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CSS: fixed position on x-axis but not y?
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Update Credit: @PierredeLESPINAY
As commented, to make the script support the changes in the css without having to recode them in the script. You can use the following.
var leftOffset = parseInt($("#header").css('left')); //Grab the left position left first
$(window).scroll(function(){
$('...
Javascript !instanceof If Statement
...he outside.
if(!(obj instanceof Array)) {
//...
}
In this case, the order of precedence is important (https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Operators/Operator_Precedence). The ! operator precedes the instanceof operator.
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