大约有 42,000 项符合查询结果(耗时:0.0711秒) [XML]
When to make a type non-movable in C++11?
...
Herb's answer (before it was edited) actually gave a good example of a type which shouldn't be movable: std::mutex.
The OS's native mutex type (e.g. pthread_mutex_t on POSIX platforms) might not be "location invariant" meaning the object's address is part of its va...
How to have the formatter wrap code with IntelliJ?
...
these guys keep on renaming setting keys all the time
– ACV
Jul 1 '19 at 11:05
This ...
Postgresql: Scripting psql execution with password
How can I call psql so that it doesn't prompt for a password ?
15 Answers
15
...
Is there “0b” or something similar to represent a binary number in Javascript
...
Update:
Newer versions of JavaScript -- specifically ECMAScript 6 -- have added support for binary (prefix 0b), octal (prefix 0o) and hexadecimal (prefix: 0x) numeric literals:
var bin = 0b1111; // bin will be set to 15
var oct = 0o17; // oct will be set to 15
var...
Is it wrong to place the tag after the tag?
...
@epalla: if you put the script right at the end of the body tag there's no other content left to load by the time it gets there, so there should be little difference between placing it outside or just inside. You then have the ...
Why are only final variables accessible in anonymous class?
...used in an anonymous inner class or lambda expression though.
It's basically due to the way Java manages closures.
When you create an instance of an anonymous inner class, any variables which are used within that class have their values copied in via the autogenerated constructor. This avoids th...
Reduce left and right margins in matplotlib plot
...
One way to automatically do this is the bbox_inches='tight' kwarg to plt.savefig.
E.g.
import matplotlib.pyplot as plt
import numpy as np
data = np.arange(3000).reshape((100,30))
plt.imshow(data)
plt.savefig('test.png', bbox_inches='tight')
...
How do I ignore an error on 'git pull' about my local changes would be overwritten by merge?
...
If you want remove all local changes - including files that are untracked by git - from your working copy, simply stash them:
git stash push --include-untracked
If you don't need them anymore, you now can drop that stash:
git stash drop
I...
How to change line color in EditText
...
This is the best tool that you can use for all views and its FREE many thanks to @Jérôme Van Der Linden.
The Android Holo Colors Generator allows you to easily create Android components such as EditText or spinner with your own colours for your Android application. ...
How to select rows that have current day's timestamp?
... The index is used to select the rows. But the whole index is scanned (and all values are converted with DATE() to evaluate the condition) with your query. I'll update my answer with a better example.
– ypercubeᵀᴹ
Feb 8 '13 at 12:43
...
