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Check if inputs are empty using jQuery
...ent in IE)
$("#inputname").keyup(function() {
if (!this.value) {
alert('The box is empty');
}});
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PATH issue with pytest 'ImportError: No module named YadaYadaYada'
...Add the path manually to the test files, something like this:
import sys, os
myPath = os.path.dirname(os.path.abspath(__file__))
sys.path.insert(0, myPath + '/../')
Run the tests with the env var PYTHONPATH=../.
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Difference between a “coroutine” and a “thread”?
...ngle-core machines, that concurrency was simulated with some help from the OS -- nowadays, since so many machines are multi-CPU and/or multi-core, threads will de facto be executing simultaneously, not just "conceptually").
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Defining TypeScript callback type
...allback
}
}
var test = new CallbackTest();
test.myCallback = () => alert("done");
test.doWork();
If you want to accept a parameter, you can add that too:
public myCallback: {(msg: string): void;};
And if you want to return a value, you can add that also:
public myCallback: {(msg: strin...
Passing an array as a function parameter in JavaScript
...x);
function call_me(params) {
for (i=0; i<params.length; i++) {
alert(params[i])
}
}
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Copy a file in a sane, safe and efficient way
...ude <fstream>
int main()
{
std::ifstream src("from.ogv", std::ios::binary);
std::ofstream dst("to.ogv", std::ios::binary);
dst << src.rdbuf();
}
This is so simple and intuitive to read it is worth the extra cost. If we were doing it a lot, better to fall back on OS ca...
How to print a list of symbols exported from a dynamic library
...been trying to get dynamic libraries to work in my XCode project under Mac OS X. So far no joy.
4 Answers
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What's the difference between “version number” in iTunes Connect, “bundle version”, “bundle version
... 12345 or 1.2.3 (Build 12345AB). This is shown in the About window for Mac OS X apps for example and is often more a "Build Number" than a "Version Number".
Bundle Version String (CFBundleShortVersionString)
This value is used as the "real" version number. This must be the same string as used for th...
In Windows Azure: What are web role, worker role and VM role?
... work on contains a web role: it's a simple web application. I needed to host the application in Windows Azure, so I created a web role. I actually want to know what these roles are for. What is their significance coding wise or storage wise?
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Java: PrintStream to String?
...is function's output in a String? Specifically, I want to use it as in a toString method.
5 Answers
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