大约有 40,000 项符合查询结果（耗时：0.0219秒） [XML]
More elegant way of declaring multiple variables at the same time
...t may make sense to use a dictionary instead. For example, if you want to set up Boolean preset values for a set of one-letter flags, you could do this:
>>> flags = dict.fromkeys(["a", "b", "c"], True)
>>> flags.update(dict.fromkeys(["d", "e"], False))
>>> print flags
{'...
How to send a command to all panes in tmux?
...
Have you tried following in tmux window with multiple panes
Ctrl-B :
setw synchronize-panes on
clear history
share
|
improve this answer
|
follow
|
...
How can I time a code segment for testing performance with Pythons timeit?
... you already do in you example code and timeit does automatically when you set its number argument)
import time
def myfast():
code
n = 10000
t0 = time.time()
for i in range(n): myfast()
t1 = time.time()
total_n = t1-t0
In Windows, as Corey stated in the comment, time.clock() has much higher...
Does Haskell require a garbage collector?
...tic memory management is necessary because manual memory management is unsafe; dynamic memory management is necessary because for some programs, the lifetime of an object can only be determined at runtime.
For example, consider the following program:
main = loop (Just [1..1000]) where
loop :: M...
How to determine an interface{} value's “real” type?
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
Synchronizing a local Git repository with a remote one
...
These steps will do it:
git reset --hard HEAD
git clean -f -x -d -n
then without -n
This will take care of all local changes. Now the commits...
git status
and note the line such as:
Your branch is ahead of 'xxxx' by N commits.
Take a note of num...
Windows batch: formatted date into variable
... /f "skip=1" %%x in ('wmic os get localdatetime') do if not defined MyDate set MyDate=%%x
Then you can extract the individual parts using substrings:
set today=%MyDate:~0,4%-%MyDate:~4,2%-%MyDate:~6,2%
Another way, where you get variables that contain the individual parts, would be:
for /f %%x...
Compile time string hashing
...ce c1c2...ck can
only contain characters from the basic source character set. —end note]
Combine that with constexpr and we should have compile time string processing.
update: i overlooked that i was reading the wrong paragraph, this form is allowed for user-defined-integer-literals and -flo...
How can I link to a specific glibc version?
...
Setup 1: compile your own glibc without dedicated GCC and use it
Since it seems impossible to do just with symbol versioning hacks, let's go one step further and compile glibc ourselves.
This setup might work and is quick a...
How to find encoding of a file via script on Linux?
... MIME-type information for the file, which will also include the character-set encoding. I found a man-page for it, too :)
share
|
improve this answer
|
follow
...