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Regular expression to match balanced parentheses
...ia well suited to regular expressions are also in play. 3) Often you are handing a regular expression into some API that only accepts regular expressions and you have no choice.
– Kenneth Baltrinic
May 2 '14 at 3:31
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How do I run a Java program from the command line on Windows?
I'm trying to execute a Java program from the command line in Windows. Here is my code:
12 Answers
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Converting a Pandas GroupBy output from Series to DataFrame
...taFrame. It has a hierarchical index, though:
In [19]: type(g1)
Out[19]: pandas.core.frame.DataFrame
In [20]: g1.index
Out[20]:
MultiIndex([('Alice', 'Seattle'), ('Bob', 'Seattle'), ('Mallory', 'Portland'),
('Mallory', 'Seattle')], dtype=object)
Perhaps you want something like this?
In ...
Foreign key from one app into another in Django
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Late, I know, but it's mostly a matter of choice and organisation. I have "internal" apps that are not ever intended for external use. They can depend on each other and exist mainly to give me a convenient organisation of my files and namespaces. External apps (eg from Djan...
Recursive directory listing in DOS
...oter information try this:
dir /s /b
(For sure this will work for DOS 6 and later; might have worked prior to that, but I can't recall.)
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Proper way to use AJAX Post in jquery to pass model from strongly typed MVC3 view
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You can skip the var declaration and the stringify. Otherwise, that will work just fine.
$.ajax({
url: '/home/check',
type: 'POST',
data: {
Address1: "423 Judy Road",
Address2: "1001",
City: "New York",
State: "NY...
How can I get name of element with jQuery?
...his).attr('name'); on a class selector $('.jobSelect').change(function() { and I didn't encounter problems.
– Ömer An
Dec 28 '19 at 8:57
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How can I convert an image into a Base64 string?
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You can use the Base64 Android class:
String encodedImage = Base64.encodeToString(byteArrayImage, Base64.DEFAULT);
You'll have to convert your image into a byte array though. Here's an example:
Bitmap bm = BitmapFactory.decodeFile("/path/to/ima...
What do you call the -> operator in Ruby?
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In Ruby Programming Language ("Methods, Procs, Lambdas, and Closures"), a lambda defined using -> is called lambda literal.
succ = ->(x){ x+1 }
succ.call(2)
The code is equivalent to the following one.
succ = lambda { |x| x + 1 }
succ.call(2)
Informally, I have heard...
Is there a predefined enumeration for Month in the .NET library?
... answered May 22 '09 at 19:27
Andy MikulaAndy Mikula
16.5k44 gold badges2727 silver badges3939 bronze badges
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