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Temporarily put away uncommitted changes in Subversion (a la “git-stash”)
While programming software stored in a Subversion repo, I often modify some files, then notice that I'd like to do some preparatory change for my main work. E.g. while implementing new functionality, I notice some refactoring which might help me.
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Does ARC support dispatch queues?
I'm reading apple's documentation about "Memory Management for Dispatch Queues":
2 Answers
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Change column type from string to float in Pandas
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You have four main options for converting types in pandas:
to_numeric() - provides functionality to safely convert non-numeric types (e.g. strings) to a suitable numeric type. (See also to_datetime() and to_timedelta().)
astype() - convert (almost) an...
How to find out how many lines of code there are in an Xcode project?
...any lines of code an Xcode project contains? I promise not to use such information for managerial measurement or employee benchmarking purposes. ;)
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Mimicking sets in JavaScript?
I'm working in JavaScript. I'd like to store a list of unique , unordered string values, with the following properties:
7 ...
Overwrite or override
... seem to be a stupid question but I'm just so curious and want to use the correct term when talking about the issue. Couldn't find a similar question here so I decided to create a new one.
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How to loop through array in jQuery?
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(Update: My other answer here lays out the non-jQuery options much more thoroughly. The third option below, jQuery.each, isn't in it though.)
Four options:
Generic loop:
var i;
for (i = 0; i < substr.length; ++i) {
// do something with `substr[i]`
}
or in ES2015+:
for (let i = ...
How do I use boolean variables in Perl?
... Empty scalar
() # Empty list
('')
The rest are true. There are no barewords for true or false.
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Why does the C preprocessor interpret the word “linux” as the constant “1”?
Why does the C preprocessor in GCC interpret the word linux (small letters) as the constant 1 ?
5 Answers
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What are the rules about using an underscore in a C++ identifier?
...denote the fact that they're member variables, rather than local variables or parameters. If you've come from an MFC background, you'll probably use m_foo . I've also seen myFoo occasionally.
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