大约有 30,000 项符合查询结果（耗时：0.0363秒） [XML]
Can em>x m>isting virtualenv be upgraded gracefully?
...
You can use the Python 2.6 virtualenv to "revirtual" the em>x m>isting directory. You will have to reinstall all the modules you installed though. I often have a virtual directory for developing a module, and virtualenv the same directory with many versions of Python, and it works just f...
Difference between this and self in JavaScript
...he value of self is window because JavaScript lets you access any property m>x m> of window as simply m>x m>, instead of window.m>x m>. Therefore, self is really window.self, which is different to this.
window.self === window; // true
If you're using a function that is em>x m>ecuted in the global scope and is not in...
Ternary operator is twice as slow as an if-else block?
...
To answer this question, we'll em>x m>amine the assembly code produced by the m>X m>86 and m>X m>64 JITs for each of these cases.
m>X m>86, if/then
32: foreach (int i in array)
0000007c 33 D2 m>x m>or edm>x m>,edm>x m>
0000007e 83 7E 04 00 ...
How to compile without warnings being treated as errors?
...
If you are compiling linum>x m> kernel. For em>x m>ample, if you want to disable the warning that is "unused-but-set-variable" been treated as error. You can add a statement:
KBUILD_CFLAGS += $(call cc-option,-Wno-error=unused-but-set-variable,)
in your Mak...
Printing the last column of a line in a file
...
One way using awk:
tail -f file.tm>x m>t | awk '/A1/ { print $NF }'
share
|
improve this answer
|
follow
|
...
How to list imported modules?
...
import sys
sys.modules.keys()
An approm>x m>imation of getting all imports for the current module only would be to inspect globals() for modules:
import types
def imports():
for name, val in globals().items():
if isinstance(val, types.ModuleType):
...
Overloading Macro on Number of Arguments
...OO2)(__VA_ARGS__)
So if you have these macros:
FOO(World, !) # em>x m>pands to FOO2(World, !)
FOO(foo,bar,baz) # em>x m>pands to FOO3(foo,bar,baz)
If you want a fourth one:
#define GET_MACRO(_1,_2,_3,_4,NAME,...) NAME
#define FOO(...) GET_MACRO(__VA_ARGS__, FOO4, FOO3, FOO2)(__VA_ARGS__)
F...
Can I use conditional statements with EJS templates (in JMVC)?
and if yes, what is the syntam>x m>?
My goal is to prepend an 's' to the word 'comment' when there is more than one. in an jQuery.ejs template in a JMVC app. The following breaks. I can't find any docs for conditionals...
...
Intellij IDEA, format all code in a project
...
Thanks for the answer, em>x m>actly what I was looking for! In this case that isn't an issue; it's a smaller project and we've all agreed on the conventions for the whole thing. For larger projects or in different situations though I totally agree.
...
Get original URL referer with PHP?
... am using $_SERVER['HTTP_REFERER']; to get the referer Url. It works as em>x m>pected until the user clicks another page and the referer changes to the last page.
...