大约有 40,000 项符合查询结果（耗时：0.0561秒） [XML]
How to get current time and date in C++?
...
In C++ 11 you can use std::chrono::system_clock::now()
Example (copied from en.cppreference.com):
#include <iostream>
#include <chrono>
#include <ctime>
int main()
{
auto start = std::chrono::system_clock::now();
// Some computation ...
What does the “@” symbol do in Powershell?
...stion--to provide the full answer, to wit:
Array sub-expression (see about_arrays)
Forces the value to be an array, even if a singleton or a null, e.g. $a = @(ps | where name -like 'foo')
Hash initializer (see about_hash_tables)
Initializes a hash table with key-value pairs, e.g.
$HashArguments...
Eclipse: How do i refresh an entire workspace? F5 doesn't do it
...
on windows i've used "C:\Windows\twunk_32.exe" doesn't seem to hurt :)
– iTake
Jan 10 '14 at 12:55
...
Devise form within a different controller
I am using a devise gem for sign_in/sign_out procedures.
5 Answers
5
...
Object.watch() for all browsers?
...
developer.mozilla.org/en/JavaScript/Reference/Global_Objects/…
– Eli Grey
Dec 27 '11 at 8:00
...
How to alias a table in Laravel Eloquent queries (or using Query Builder)?
...orts aliases on tables and columns with AS. Try
$users = DB::table('really_long_table_name AS t')
->select('t.id AS uid')
->get();
Let's see it in action with an awesome tinker tool
$ php artisan tinker
[1] > Schema::create('really_long_table_name', function($tabl...
Calling Java from Python
...thods from your python code as if they were python methods:
from py4j.java_gateway import JavaGateway
gateway = JavaGateway() # connect to the JVM
java_object = gateway.jvm.mypackage.MyClass() # invoke constructor
other_object = java_object.doThat()
other_object.doThis(1,'ab...
You need to use a Theme.AppCompat theme (or descendant) with this activity
...de.com/file/repository.grepcode.com/java/ext/com.google.android/android/4.4_r1/frameworks/base/core/res/res/values/themes.xml/
share
|
improve this answer
|
follow
...
Which characters are valid/invalid in a JSON key name?
...
{ "*~@#$%^&*()_+=><?/": "is a valid json" }
– Abhi
Oct 7 '14 at 4:24
45
...
Efficient method to generate UUID String in JAVA (UUID.randomUUID().toString() without the dashes)
...ither that it's 10-20x faster (cowtowncoder.com/blog/archives/2010/10/entry_429.html); or that they don't trust randomness to produce unique ids (which is kinda funny)
– StaxMan
Oct 24 '10 at 3:30
...