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Javascript Shorthand for getElementById
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answered Jun 18 '11 at 20:44
user113716user113716
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Virtual Serial Port for Linux
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answered Sep 16 '08 at 16:56
apenwarrapenwarr
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Easiest way to flip a boolean value?
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+500
You can flip a value like so:
myVal = !myVal;
so your code would shorten down to:
switch(wParam) {
case VK_F11:
flipVal =...
Why can I add named properties to an array as if it were an object?
...ay['B'] = "Berlin";
alert(myArray.length);
This won't display '2', but '0' - effectively, no elements have been added to the array, just some new properties added to the array object.
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Is there a way to make a PowerShell script work by double clicking a .ps1 file?
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answered Apr 13 '12 at 8:04
David BrabantDavid Brabant
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Is DateTime.Now the best way to measure a function's performance?
...tch.StartNew();
PerformWork();
sw.Stop();
Console.WriteLine("Time taken: {0}ms", sw.Elapsed.TotalMilliseconds);
Stopwatch automatically checks for the existence of high-precision timers.
It is worth mentioning that DateTime.Now often is quite a bit slower than DateTime.UtcNow due to the work tha...
List of tables, db schema, dump etc using the Python sqlite3 API
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107
You can fetch the list of tables and schemata by querying the SQLITE_MASTER table:
sqlite> ...
Get the device width in javascript
...esktop browsers I use the following:
var width = (window.innerWidth > 0) ? window.innerWidth : screen.width;
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Most efficient way to determine if a Lua table is empty (contains no entries)?
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Your code is efficient but wrong. (Consider {[false]=0}.) The correct code is
if next(myTable) == nil then
-- myTable is empty
end
For maximum efficiency you'll want to bind next to a local variable, e.g.,
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local next = next
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... if next(...) ...
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Sublime Text 2 - Show file navigation in sidebar
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