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How can I delete a newline if it is the last character in a file?
...s was described as a 'perl blasphemy' on the awk website I saw.
But, in a test, it worked.
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setting an environment variable in virtualenv
...es environment variables to get its configuration, but I use virtualenv to test my app locally first.
10 Answers
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Intellij IDEA Java classes not auto compiling on save
...takes 3-4 seconds. Eclipse does this in less than 100 milliseconds. I will test the eclipse mode plugin again and decide what to go with..
– mmm
Jan 5 '14 at 14:56
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dispatch_after - GCD in Swift?
...R_SEC)))
dispatch_after(delayTime, dispatch_get_main_queue()) {
print("test")
}
EDIT:
I recommend using @matt's really nice delay function.
EDIT 2:
In Swift 3, there will be new wrappers for GCD. See here: https://github.com/apple/swift-evolution/blob/master/proposals/0088-libdispatch-for-s...
How do I convert a float number to a whole number in JavaScript?
...= 3
float2int(-3.9) == -3
Performance comparison?
I've created a JSPerf test that compares performance between:
Math.floor(val)
val | 0 bitwise OR
~~val bitwise NOT
parseInt(val)
that only works with positive numbers. In this case you're safe to use bitwise operations well as Math.floor funct...
RESTful API methods; HEAD & OPTIONS
..." or "no-op" type of method; it does nothing beyond allowing the client to test the capabilities of the server. For example, this can be used to test a proxy for HTTP/1.1 compliance (or lack thereof).
If the Request-URI is not an asterisk, the OPTIONS request applies only to the options that are ava...
Static class initializer in PHP
...ate constructor and getInstance()... You're going to make it VERY hard to test effectively... At least make it protected so that you have options...
– ircmaxell
Jul 22 '10 at 20:31
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Read and write a String from text file
...y. The following code shows how to read and write a simple string. You can test it on a playground.
Swift 3.x - 5.x
let file = "file.txt" //this is the file. we will write to and read from it
let text = "some text" //just a text
if let dir = FileManager.default.urls(for: .documentDirectory, in: ...
Create an index on a huge MySQL production table without table locking
...ted. MySQL is really, really stupid about this (and a few other things).
Test Script:
(
for n in {1..50}; do
#(time mysql -uroot -e 'select * from website_development.users where id = 41225\G'>/dev/null) 2>&1 | grep real;
(time mysql -uroot -e 'update website_development.u...
How to make an AJAX call without jQuery?
...;
xmlhttp.send();
}
</script>
With jQuery:
$.ajax({
url: "test.html",
context: document.body,
success: function(){
$(this).addClass("done");
}
});
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