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Delete files older than 15 days using PowerShell
...n the $limit.
Get-ChildItem -Path $path -Recurse -Force | Where-Object { !$_.PSIsContainer -and $_.CreationTime -lt $limit } | Remove-Item -Force
# Delete any empty directories left behind after deleting the old files.
Get-ChildItem -Path $path -Recurse -Force | Where-Object { $_.PSIsContainer -and...
Transposing a 2D-array in JavaScript
...
array[0].map((_, colIndex) => array.map(row => row[colIndex]));
map calls a provided callback function once for each element in an array, in order, and constructs a new array from the results. callback is invoked only for indexe...
How do I use HTML as the view engine in Express?
... routing. Instead, just use the static middleware:
app.use(express.static(__dirname + '/public'));
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What is a singleton in C#?
...Prevent outside instantiation
}
private static readonly Singleton _singleton = new Singleton();
public static Singleton GetSingleton()
{
return _singleton;
}
}
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What is the default text size on Android?
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Default values in appcompat-v7
<dimen name="abc_text_size_body_1_material">14sp</dimen>
<dimen name="abc_text_size_body_2_material">14sp</dimen>
<dimen name="abc_text_size_button_material">14sp</dimen>
<dimen name="abc_text_size_caption...
What's the $unwind operator in MongoDB?
...owing documents:
{
"result" : [
{
"_id" : ObjectId("4e6e4ef557b77501a49233f6"),
"title" : "this is my title",
"author" : "bob",
"tags" : "fun"
},
{
"_...
Redirecting stdout to “nothing” in python
...eference to the original sys.stdout and set it back after. For example old_stdout = sys.stdout before any of the other code, then sys.stdout = old_stdout when you are done.
– Andrew Clark
Aug 20 '14 at 21:05
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In what areas might the use of F# be more appropriate than C#? [closed]
...
{ new IVsOutputWindowPane with
member this.Activate () = err(__LINE__)
member this.Clear () = owpe := []; 0
member this.FlushToTaskList () = VSConstants.S_OK
member this.GetName(pbstrPaneName) = err(__LINE__)
member this.Hide () = err(__LINE__)
m...
How to avoid .pyc files?
...terpreter. This setting is available
to Python programs as the
sys.dont_write_bytecode variable, and
Python code can change the value to
modify the interpreter’s behaviour.
Update 2010-11-27: Python 3.2 addresses the issue of cluttering source folders with .pyc files by introducing a spe...
Is it ok to use dashes in Python files when trying to import them?
...o import a file with a dash in its name, you can do the following::
python_code = __import__('python-code')
But, as also mentioned above, this is not really recommended. You should change the filename if it's something you control.
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