大约有 32,000 项符合查询结果(耗时:0.0656秒) [XML]
Why is C so fast, and why aren't other languages as fast or faster? [closed]
...Very well said, but likes Rob Allen said, C also provides less abstraction then Java or .NET, resulting in fewer translation (which is less true these day due to just-in-time (JIT) compilation like you said)
– Gab Royer
Jun 22 '09 at 21:36
...
Difference between freeze and seal
...onlick and wondered why it’s not working. If JavaScript throws an error, then that’s one less thing to get wrong. Secondly, this allows you to implement constant properties on an object which prevents changes. This is particularly useful on object methjods.
– Manngo
...
Converting from a string to boolean in Python?
...
def str2bool(v):
return v.lower() in ("yes", "true", "t", "1")
Then call it like so:
>>> str2bool("yes")
True
>>> str2bool("no")
False
>>> str2bool("stuff")
False
>>> str2bool("1")
True
>>> str2bool("0")
False
Handling true and false expl...
git update-index --assume-unchanged returns “fatal unable to mark file”
...orked! I think I was using all lower case before, or cd to the folder and then tried to use this command.
– Karen
Dec 13 '12 at 22:44
...
Scripting Language vs Programming Language [closed]
...step:
C
C++
D
Java (but note that Java is compiled to bytecode, which is then interpreted and/or recompiled at runtime)
Pascal
...and then you have things like Python that sit in both camps: Python is widely used without a compilation step, but the main implementation (CPython) does that by comp...
Why can't I define a static method in a Java interface?
...nterface methods were initially considered as a small language change, and then there was an official proposal to add them in Java 7, but it was later dropped due to unforeseen complications.
Finally, Java 8 introduced static interface methods, as well as override-able instance methods with a defau...
How to “EXPIRE” the “HSET” child key in redis?
...one here is HGETALL. First we get the hash slot for all our children keys. Then we get the keys for that particular hash slot and finally we retrieve the values. We need to be careful here since there could be more than n keys for that hash slot and also there could be keys that we are not intereste...
Why does Path.Combine not properly concatenate filenames that start with Path.DirectorySeparatorChar
...od from the .NET source. You can see that it calls CombineNoChecks, which then calls IsPathRooted on path2 and returns that path if so:
public static String Combine(String path1, String path2) {
if (path1==null || path2==null)
throw new ArgumentNullException((path1==null) ? "path1" : "...
How to convert existing non-empty directory into a Git working directory and push files to a remote
...e same question, we simple use GitHub.com, we're not running our repo, and then the <url> as used in the 5th line looked something like this: https://github.com/CompanyName/AppName
– Bart
Oct 23 '13 at 11:56
...
What platforms have something other than 8-bit char?
Every now and then, someone on SO points out that char (aka 'byte') isn't necessarily 8 bits .
12 Answers
...
