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What does `m_` variable prefix mean?
I often see m_ prefix used for variables ( m_World , m_Sprites ,...) in tutorials, examples and other code mainly related to game development.
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How to use SVN, Branch? Tag? Trunk?
... of the product, so you plant a flag in the path labelled '1' (or '1.0' or what have you). At some other time some bright spark decides to parallelise the program, but decides that that will take weeks and that people want to keep going down the main path in the meantime. So you build a fork in th...
Git Pull While Ignoring Local Changes?
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What if you cannot possibly not have a local change vs head? E.g. the repo was made on a case sensitive file system and is cloned on a case insensitive file system and there's 2 files with same name different casing?
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Lost connection to MySQL server at 'reading initial communication packet', system error: 0
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what do you mean localhost? I am also facing the same problem and using localhost only also. Application is on the same machine as the database. What did you mean localhost?
– oneofakind
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Why does .NET foreach loop throw NullRefException when collection is null?
... Holy necro... Sometimes you have to look at the IL to see what the compiler is doing to figure out if there are any efficiency hits. User919426 had asked whether it did the check for each iteration. Though the answer might be obvious to some people, it is not obvious to everyone, ...
How can I lock a file using java (if possible)
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FileChannel.lock is probably what you want.
try (
FileInputStream in = new FileInputStream(file);
java.nio.channels.FileLock lock = in.getChannel().lock();
Reader reader = new InputStreamReader(in, charset)
) {
...
}
(Disclaimer: Code ...
How to drop rows of Pandas DataFrame whose value in a certain column is NaN
...olumn_name']). Hope that saves at least one person the extra 5 seconds of 'what am I doing wrong'. Great answer, +1
– James Tobin
Jun 18 '14 at 14:07
10
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PHP: How to remove all non printable characters in a string?
...$string = preg_replace('/[\x00-\x1F\x7F\xA0]/u', '', $string);
Addendum: What about str_replace?
preg_replace is pretty efficient, but if you're doing this operation a lot, you could build an array of chars you want to remove, and use str_replace as noted by mgutt below, e.g.
//build an array we...
What's so bad about in-line CSS?
...your styles inline the quick and dirty and un-maintainable way, you can do what I do these days and take a staged approach.
No inline style attribute
Never create your css inline, by which I mean: <element style='color:red'> or even <img style='float:right'> It's very convenient, bu...
How to Parse Command Line Arguments in C++? [duplicate]
What is the best way of parsing command-line arguments in C++ if the program is specified
to be run like this:
10 Answers
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