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What is managed or unmanaged code in programming?
I am using a specific command in in my C# code, which works well. However, it is said to misbehave in "unmanaged" code.
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Determining whether jQuery has not found any element
...isEmptyObject($.find('#id'))
This will return true if the element exists and false if it doesn't.
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Count how many records are in a CSV Python?
...r again (to process the rows, say) then you'll need to reset the iterator, and recreate the reader object: file.seek(0) then fileObject = csv.reader(file)
– KevinTydlacka
Jul 12 '18 at 22:05
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How can I programmatically create a new cron job?
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He asks how and you tell him what?
– Cerin
Oct 7 '11 at 14:01
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Getting an “ambiguous redirect” error
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Bash can be pretty obtuse sometimes.
The following commands all return different error messages for basically the same error:
$ echo hello >
bash: syntax error near unexpected token `newline`
$ echo hello > ${NONEXISTENT}
bash: ${NONEXISTENT}: ambiguous redirect
$ echo h...
Quick and easy file dialog in Python?
I have a simple script which parses a file and loads it's contents to a database. I don't need a UI, but right now I'm prompting the user for the file to parse using raw_input which is most unfriendly, especially because the user can't copy/paste the path. I would like a quick and easy way to pre...
Finding child element of parent pure javascript
... document.querySelectorAll('.parent .child1');
The difference between qS and qSA is that the latter returns all elements matching the selector, while the former only returns the first such element.
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Unable to install gem - Failed to build gem native extension - cannot load such file — mkmf (LoadErr
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But I have 1.9.3 ruby only.
– Alexandre
Dec 7 '12 at 17:14
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ruby 1.9.3 is an ...
Merge two (or more) lists into one, in C# .NET
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You can use the LINQ Concat and ToList methods:
var allProducts = productCollection1.Concat(productCollection2)
.Concat(productCollection3)
.ToList();
Note that there are more ef...
How to send POST request in JSON using HTTPClient in Android?
I'm trying to figure out how to POST JSON from Android by using HTTPClient. I've been trying to figure this out for a while, I have found plenty of examples online, but I cannot get any of them to work. I believe this is because of my lack of JSON/networking knowledge in general. I know there are ...