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Swift - How to convert String to Double
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Should use Double(myString) ?? 0.0 to avoid init errors
– Rami Alloush
Sep 16 at 3:54
I want...
How to change href of tag on button click through javascript
...return false
– 袁文涛
Aug 3 at 9:05
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How do I find the .NET version?
How do I find out which version of .NET is installed?
19 Answers
19
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One line ftp server in python
Is it possible to have a one line command in python to do a simple ftp server? I'd like to be able to do this as quick and temporary way to transfer files to a linux box without having to install a ftp server. Preferably a way using built in python libraries so there's nothing extra to install.
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Anatomy of a “Memory Leak”
...excessive collection, to a series of memory exceptions and finally a fatal error followed by forced process termination.
You know an application has a memory problem when monitoring shows that more and more memory is allocated to your process after each garbage collection cycle. In such case, you a...
How to delete selected text in the vi editor
I am using PuTTY and the vi editor. If I select five lines using my mouse and I want to delete those lines, how can I do that?
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Why is “a” != “a” in C?
...at the comparison is allowed (i.e. it's not undefined behavior or a syntax error), but either value is valid and the implementation (your compiler) is not required to document what will actually happen.
As others have pointed out, to compare "c strings" (i.e. strings terminated with a null characte...
How to catch integer(0)?
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assert_is_empty(x)
x <- 0L
assert_is_integer(x)
assert_is_empty(x)
## Error: is_empty : x has length 1, not 0.
x <- numeric(0)
assert_is_integer(x)
assert_is_empty(x)
## Error: is_integer : x is not of class 'integer'; it has class 'numeric'.
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Is there a [Go to file…]?
In modern IDEs, there is a keyboard shortcut to open a file by typing its name without putting your hand on the mouse. For example:
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How do I pass the value (not the reference) of a JS variable to a function? [duplicate]
Here is a simplified version of something I'm trying to run:
6 Answers
6
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