大约有 32,293 项符合查询结果（耗时：0.0495秒） [XML]
Is it safe to use -1 to set all bits to true?
...ate a pattern with all bits 1 in an unsigned int, and then assign it to a. What happens when unsigned long has more bits is that not all of those are 1.
And consider this one, which will fail on a non-two's complement representation:
unsigned int a = ~0; // Should have done ~0u !
The reason for ...
Go build: “Cannot find package” (even though GOPATH is set)
...rly set, I still can't get "go build" or "go run" to find my own packages. What am I doing wrong?
7 Answers
...
Similar to jQuery .closest() but traversing descendants?
...he first occurrence of a specific element, you could do:
$('#foo').find('.whatever').first();
Or:
$('#foo').find('.whatever:first');
Really though, we need a solid definition of what "closest descendant" means.
E.g.
<div id="foo">
<p>
<span></span>
<...
Is it possible to forward-declare a function in Python?
...ine a function before it's used, and defining it afterwards is impossible, what about defining it in some other module?
Technically you still define it first, but it's clean.
You could create a recursion like the following:
def foo():
bar()
def bar():
foo()
Python's functions are anony...
How do I update my bare repo?
...as remotes to save yourself some typing in the future:
git remote add <whatever-name> <url-of-other-repo>
Then you can simply do
git push --all <whatever-name>
or
git fetch <whatever-name>
depending on what repo you're in. If <whatever-name> is origin, you can ...
What are the differences between various threading synchronization options in C#?
...one thread, we lock an object, check a flag/state/property and if it's not what we are expecting, call Monitor.Wait which will release the lock and wait until a pulse is sent. When the wait returns, we loop back and check the flag/state/property again. In the other thread, we lock the object whene...
How can I get the client's IP address in ASP.NET MVC?
I'm totally new to the ASP.NET MVC stack, and I was wondering what happened to the simple Page object and the Request ServerVariables object?
...
What does %~d0 mean in a Windows batch file?
...and prompt and call it directly from that command prompt, %0 will refer to whatever you've typed. If you type test.batEnter, the output of %0 will have no quotes because you typed no quotes:
c:\>test.bat
test.bat
If you type testEnter, the output of %0 will have no extension too, because you t...
What is the fastest factorial function in JavaScript? [closed]
Looking for a really fast implementation of factorial function in JavaScript. Any suggests?
49 Answers
...
Get full path of the files in PowerShell
...tually gets files like *.txt* (-Filter uses CMD wildcards). If this is not what you want then use -Include *.txt.
– Roman Kuzmin
Oct 30 '12 at 6:14
add a comment
...