大约有 47,000 项符合查询结果（耗时：0.0524秒） [XML]
How should I print types like off_t and size_t?
... Visual Studio warns with this also "warning C4477: '_snprintf_s' : format string '%jd' requires an argument of type '__int64', but variadic argument 1 has type 'off_t'"... A truely portable way is printf("%lld\n", (long long)x);
– ericcurtin
Jun 13 '18 at 16:5...
How to vertically center a container in Bootstrap?
...rial, sans-serif;
}
WORKING DEMO.
Also, to prevent unexpected issues in extra small screens, you can reset the height of the pseudo-element to auto or 0 or change its display type to none if needed so:
@media (max-width: 768px) {
.vertical-center:before {
height: auto;
/* Or */
di...
Why should eval be avoided in Bash, and what should I use instead?
...not been rewritten as safe-for-use-in-situation-XYZ; in our case, it's any string that has not been formatted so as to be safe for evaluation.
Sanitizing data appears easy at first glance. Assuming we're throwing around a list of options, bash already provides a great way to sanitize individual el...
Applicatives compose, monads don't
..., perhaps to tragic effect.
The monadic version relies essentially on the extra power of (>>=) to choose a computation from a value, and that can be important. However, supporting that power makes monads hard to compose. If we try to build ‘double-bind’
(>>>>==) :: (Monad m, ...
Patterns for handling batch operations in REST web services?
... if (this.isCommand(cmd))
{
data += cmd.toRequestString();
this.sent[cmd.id] = cmd;
// ... and then send the contents of data in a POST request
}
}
}
That ought to get you going. Good luck!
...
Listen for key press in .NET console app
... stop your app, but do your work in a background thread:
static void Main(string[] args)
{
var myWorker = new MyWorker();
myWorker.DoStuff();
Console.WriteLine("Press any key to stop...");
Console.ReadKey();
}
In the myWorker.DoStuff() function you would then invoke another functi...
Will the Garbage Collector call IDisposable.Dispose for me?
... away and tested, just to make sure:
class Program
{
static void Main(string[] args)
{
Fred f = new Fred();
f = null;
GC.Collect();
GC.WaitForPendingFinalizers();
Console.WriteLine("Fred's gone, and he's not coming back...");
Console.ReadLine(...
How do I clear only a few specific objects from the workspace?
...("^tmp", ls())])
thereby removing all objects whose name begins with the string "tmp".
Edit: Following Gsee's comment, making use of the pattern argument:
rm(list = ls(pattern = "^tmp"))
Edit: Answering Rafael comment, one way to retain only a subset of objects is to name the data you want to ...
Difference between fprintf, printf and sprintf?
...char *, "format", args) is like printf. Instead of displaying the formated string on the standard output i.e. a monitor, it stores the formated data in a string pointed to by the char pointer (the very first parameter). The string location is the only difference between printf and sprint syntax.
fpr...
Difference between len() and .__len__()?
...ther than raising an exception". I tried this: def len(x): return "I am a string." print(len(42)) print(len([1,2,3])) and it printed I am string twice. Can you explain it more?
– Darek Nędza
May 3 '14 at 8:19
...