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What is the “double tilde” (~~) operator in JavaScript? [duplicate]
... @ghoppe: Worth noting that it differs from .floor() in that it actually just removes anything to the right of the decimal. This makes a difference when used against a negative number. Also, it will always return a number, and will never give you NaN. If it can't be converted to a number, you...
What are conventions for filenames in Go?
...he go test tool.
Files with os and architecture specific suffixes automatically follow those same constraints, e.g. name_linux.go will only build on linux, name_amd64.go will only build on amd64. This is the same as having a //+build amd64 line at the top of the file
See the docs for the go build...
Difference between .on('click') vs .click()
....on over .click because the former can use less memory and work for dynamically added elements.
Consider the following html:
<html>
<button id="add">Add new</button>
<div id="container">
<button class="alert">alert!</button>
</div>
<...
Get index of element as child relative to parent
... @steweb - Hey - because one event handler is much preferable to potentially many. Attaching events to the dom can be expensive if you have large lists so as a rule I try to use the above where possible rather than individual handlers on each element. One article that goes deeper is briancrescima...
Using Sinatra for larger projects via multiple files
It seems that in Sinatra all route handlers are being written into a single file, if I understand right it acts as a one large/small controller. Is there any way to split it into separate independent files, so when let's say somebody calls "/" - one action is executed, and if smth like "/posts/2" is...
How can I get the named parameters from a URL using Flask?
...<password>')? That way you don't write the request.args.get lines at all.
– multigoodverse
Apr 17 at 14:16
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how to get GET and POST variables with JQuery?
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There's a plugin for jQuery to get GET params called .getUrlParams
For POST the only solution is echoing the POST into a javascript variable using PHP, like Moran suggested.
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Installing PDO driver on MySQL Linux server
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On Ubuntu you should be able to install the necessary PDO parts from apt using sudo apt-get install php5-mysql
There is no limitation between using PDO and mysql_ simultaneously. You will however need to create two connections to your DB, one with mysql_ and o...
How can I initialize an ArrayList with all zeroes in Java?
... That is much better than my solution (even my updated one that actually works hehehe). I would recommend not making a new ArrayList out of it though, and instead simply program to List. That's a decision left to the OP, of course.
– corsiKa
Apr 8 '11 at...
Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
... in the branch prediction table
moving the branch eliminated the alias and allowed the branch to be predicted correctly
Your Core2 doesn't keep a separate history record for each conditional jump. Instead it keeps a shared history of all conditional jumps. One disadvantage of global branch predic...
