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What is the easiest way to push an element to the beginning of the array?
... between shift and unshift as to which adds to the array and which removes from the array, drop an 'f' from the names mentally and you get an all-too-clear picture as to the direction. (And then you have to remember that these methods don't work on the "end" of the array. ;)
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git: abort commit in the middle of typing message
...AGE
The -F /path/to/file will populate the editor with any given content from /path/to/file. However, by default this would instantly perform the commit, unless you provide the -e flag additionally for editing.
share
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Split string in Lua?
...o find the location to split the string at.
Example using string.gmatch() from Lua 5.1 Reference Manual:
t = {}
s = "from=world, to=Lua"
for k, v in string.gmatch(s, "(%w+)=(%w+)") do
t[k] = v
end
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String comparison in Python: is vs. == [duplicate]
... I though that for checking if a string was modified (e.g. result returned from re.sub) comparing large strings for is equality instead of == would be faster. This was barely the case an timeit showed a mere 0.4% speed improvement. In my case it's not worth the risk that re.sub starts changing the s...
Short circuit Array.forEach like calling break
...f arr) {
console.log(el);
if (el === 5) {
break;
}
}
From the docs:
Both for...in and for...of statements iterate over something. The main difference between them is in what they iterate over. The for...in statement iterates over the enumerable properties of an object, in ...
How do I make curl ignore the proxy?
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I assume curl is reading the proxy address from the environment variable http_proxy and that the variable should keep its value. Then in a shell like bash, export http_proxy=''; before a command (or in a shell script) would temporarily change its value.
(See curl's m...
Download File Using jQuery
...t:
$('a').click(function(e) {
e.preventDefault(); //stop the browser from following
window.location.href = 'uploads/file.doc';
});
<a href="no-script.html">Download now!</a>
Even if there's no Javascript, at least this way the user will get some feedback.
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What are the disadvantages to declaring Scala case classes?
...'t necessarily in the contract. At least, you could explicitly exclude it from the contract when you first write the class.
– herman
Oct 6 '13 at 9:13
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List to array conversion to use ravel() function
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both command will create a new array starting from a list, that's for sure, but often the point is to convert an input to a specific format to apply certain method, and this looks more like the case of the OP. using asarray is a good habit unless one is certain that a ne...
Mvn install or Mvn package
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from http://maven.apache.org/guides/getting-started/maven-in-five-minutes.html
package: take the compiled code and package it in its distributable
format, such as a JAR.
install: install the package into the local ...