大约有 16,000 项符合查询结果（耗时：0.0209秒） [XML]
How can I repeat a character in Bash?
...l of the arguments, this simply prints "=" 100 times.
Using head (printf, etc) and tr:
head -c 100 < /dev/zero | tr '\0' '='
printf %100s | tr " " "="
share
|
improve this answer
|
...
How to correctly close a feature branch in Mercurial?
...hat this method is not supported by most GUI tools (TortoiseHG, SourceTree etc.).
– tav
Mar 8 '15 at 13:00
...
Why is lock(this) {…} bad?
...WCF objects, HttpContext.Current, Thread.Current, Singletons (in general), etc. The easiest way to avoid all of this? private [static] object myLock = new object();
share
|
improve this answer
...
What really is a deque in STL?
...push_Front happens you just push at the end i.e. at position 999, then 998 etc. until the two ends meet. Then you reallocate (with exponential growth to guarantee amortizet constant times) just like you would do with a ordinary vector. So effectively you just need one additional pointer to first el....
Why use Object.prototype.hasOwnProperty.call(myObj, prop) instead of myObj.hasOwnProperty(prop)?
...s of at least the built–in ECMAScript objects (Object, Function, Number, etc.) and probably some native objects (e.g. functions). It may also have some host objects (such as DOM objects in a browser, or other objects in other host environments).
While built–in and native objects must implement...
How is Math.Pow() implemented in .NET Framework?
...ent("Exp", COMDouble::Exp)
FCFuncElement("Pow", COMDouble::Pow)
// etc..
FCFuncEnd()
Searching for "COMDouble" takes you to clr/src/classlibnative/float/comfloat.cpp. I'll spare you the code, just have a look for yourself. It basically checks for corner cases, then calls the CRT's version o...
How to decide when to use Node.js?
...votes. There's no simple way to read one record at a time from a CSV file. Etc.
I love NodeJS, it is fast and wild and fun, but I am concerned it has little interest in provable-correctness. Let's hope we can eventually merge the best of both worlds. I am eager to see what will replace Node in t...
ReSharper warns: “Static field in generic type”
...look like. Once you substitute T with something concrete, say int, string, etc., you get a class. It is perfectly legal to have a static member (field, property, method) declared in your newly created class (as in any other class) and no sign of any error here.
It would be somewhat suspicious, at f...
Undefined, unspecified and implementation-defined behavior
...many "things" are left
undefined, unspecified,
implementation-defined, etc. However,
that's easy to say and even to give
examples of, but hard to fix. It
should also be noted that it is not
all that difficult to avoid most of
the problems and produce portable
code.
...
What is the use of interface constants?
...r because you do not need to worry about static, final, empty constructor, etc, and it will NOT cause any bad design issue. The only downside I can think of is that it still has the name of "interface", but nothing more than that.
Never-ending debate
At the end, I think everyone is just quoting from...