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When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?
...to void*), and it can also call explicit conversion functions (or implicit ones). In many cases, explicitly stating static_cast isn't necessary, but it's important to note that the T(something) syntax is equivalent to (T)something and should be avoided (more on that later). A T(something, something_...
Hamcrest compare collections
...ed objects it doesn't matter if the list has more
hasItem Checks just for one object it doesn't matter if the list has more
All of them can receive a list of objects and use equals method for comparation or can be mixed with other matchers like @borjab mentioned:
assertThat(myList , contains(allO...
Why is my git repository so big?
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I recently pulled the wrong remote repository into the local one (git remote add ... and git remote update). After deleting the unwanted remote ref, branches and tags I still had 1.4GB (!) of wasted space in my repository. I was only able to get rid of this by cloning it with git clo...
Get local IP address in node.js
... an object, that maps network interface names to its properties (so that one interface can, for example, have several addresses):
'use strict';
const { networkInterfaces } = require('os');
const nets = networkInterfaces();
const results = Object.create(null); // or just '{}', an empty object
for ...
Should I call Close() or Dispose() for stream objects?
...called Close() . Now that confuses me, as to what should I call once I'm done with objects? What if I call both?
6 Answer...
Is there a “standard” format for command line/shell help text?
... each:
having a short description
showing the default value, if there is one
showing the possible values, if that applies
Note that if an option can accept a short form (e.g. -l) or a long form (e.g. --list), include them together on the same line, as their descriptions will be the same
Brief ind...
How do I find the most recent git commit that modified a file?
...all it like this:
git log my/file.c
If you really only want to list the one most recent commit, for example to use it in a script, use the -n 1 option:
git log -n 1 --pretty=format:%H -- my/file.c
--pretty=format:%h tells git log to show only the commit hash. The -- separater stops the file na...
ActiveRecord: size vs count
...f you're dealing with more complex queries is there any advantage to using one method over the other? How are they different?
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How do you get the current project directory from C# code when creating a custom MSBuild task?
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You can try one of this two methods.
string startupPath = System.IO.Directory.GetCurrentDirectory();
string startupPath = Environment.CurrentDirectory;
Tell me, which one seems to you better
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HTML5 textarea placeholder not appearing
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This one has always been a gotcha for me and many others. In short, the opening and closing tags for the <textarea> element must be on the same line, otherwise a newline character occupies it. The placeholder will therefor...