大约有 23,000 项符合查询结果(耗时:0.0343秒) [XML]
std::string to float or double
...
@Johannes Schaub: Based on ADL, he might as well have, the using defintions plus what he is actually using will probably bring into scope a vast number of std elements. Furthermore lexical_cast is insanely slow, so no +1 from me.
...
UIBarButtonItem with custom image and no border
...ategories. Thanks @Vladimir for the inspiration. (note all my stuff is ARC-based) github.com/egold/UIKitConvenience/blob/master/UIKitConvenience/…
– Eric Goldberg
Jun 8 '12 at 21:52
...
Write applications in C or C++ for Android? [closed]
... in c and c++ for android.
If you just want to cross compile any console based native game and run them on android then this Article has shown 3 methods for the same.
1: Static compilation using standalone toolchain
2: Cross compilation using Android NDK’s toolchain
3: Cross compilation usin...
How to extract a floating number from a string [duplicate]
...
You may like to try something like this which covers all the bases, including not relying on whitespace after the number:
>>> import re
>>> numeric_const_pattern = r"""
... [-+]? # optional sign
... (?:
... (?: \d* \. \d+ ) # .1 .12 .123 etc 9.1 etc 9...
Running a command in a Grunt Task
I'm using Grunt (task-based command line build tool for JavaScript projects) in my project. I've created a custom tag and I am wondering if it is possible to run a command into it.
...
How do I split a string by a multi-character delimiter in C#?
...
Based on existing responses on this post, this simplify the implementation :)
namespace System
{
public static class BaseTypesExtensions
{
/// <summary>
/// Just a simple wrapper to simplify the...
data type not understood
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
Draft saved
Draft discarded
...
How do I get the object if it exists, or None if it does not exist?
...
To make things easier, here is a snippet of the code I wrote, based on inputs from the wonderful replies here:
class MyManager(models.Manager):
def get_or_none(self, **kwargs):
try:
return self.get(**kwargs)
except ObjectDoesNotExist:
return...
How to squash commits in git after they have been pushed?
...
Squash commits locally with
git rebase -i origin/master~4 master
and then force push with
git push origin +master
Difference between --force and +
From the documentation of git push:
Note that --force applies to all the refs that are pushed, hen...
Pandas: drop a level from a multi-level column index?
...
Another way to do this is to reassign df based on a cross section of df, using the .xs method.
>>> df
a
b c
0 1 2
1 3 4
>>> df = df.xs('a', axis=1, drop_level=True)
# 'a' : key on which to get cross section
# axis=1 : ...