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On design patterns: When should I use the singleton?
The glorified global variable - becomes a gloried global class. Some say breaking object-oriented design.
19 Answers
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Casting vs using the 'as' keyword in the CLR
...d within the if body.) That's slightly annoying in some cases, so if you really care about introducing the smallest number of variables possible in every scope, you might still want to use is followed by a cast.
I don't think any of the answers so far (at the time of starting this answer!) have r...
How to reset db in Django? I get a command 'reset' not found error
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It looks like the 'flush' answer will work for some, but not all cases. I needed not just to flush the values in the database, but to recreate the tables properly. I'm not using migrations yet (early days) so I really needed to drop all the tables.
Two ways I've found to drop all ...
Convert Mercurial project to Git [duplicate]
... solution was to just remove hg related files and then git init && add manually the files I needed, but that would not keep the history. Are there any solutions to this?
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Using Excel OleDb to get sheet names IN SHEET ORDER
...ABLE_NAME"].ToString();
i++;
}
// Loop through all of the sheets if you want too...
for(int j=0; j < excelSheets.Length; j++)
{
// Query each excel sheet.
}
return excelSheets;
}
catch(Exception ex)
{
return ...
Get file name from URL
... edited Jan 24 '18 at 1:17
buræquete
12.5k44 gold badges3131 silver badges6262 bronze badges
answered Mar 3 '09 at 9:33
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What does the “expand” option do in grunt-contrib-copy? The examples all use it but the docs say not
...n API:
Set expand to true to enable the following options:
cwd All src matches are relative to (but don't include) this path.
src Pattern(s) to match, relative to the cwd.
dest Destination path prefix.
ext Replace any existing extension with this value in generated dest paths.
ex...
Check if two lists are equal [duplicate]
...ceEqual(ints2);
Or if you don't care about elements order use Enumerable.All method:
var a = ints1.All(ints2.Contains);
The second version also requires another check for Count because it would return true even if ints2 contains more elements than ints1. So the more correct version would be som...
Send message to specific client with socket.io and node.js
..."I'm the master", function() {
// Save the socket id to Redis so that all processes can access it.
client.set("mastersocket", socket.id, function(err) {
if (err) throw err;
console.log("Master socket is now" + socket.id);
});
});
socket.on("message to master", function(...
How do I get Pyflakes to ignore a statement?
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# noqa only ignores certain warnings/errors, but not all -- in order to deal with this, a workaround involves installing/using the package at pypi.python.org/pypi/flake8-respect-noqa
– Mark
Jan 18 '16 at 0:15
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