大约有 40,000 项符合查询结果（耗时：0.0443秒） [XML]
How is CountDownLatch used in Java Multithreading?
...pecified while creating CountDownLatch.
e.g. final CountDownLatch latch = new CountDownLatch(3);
Here we set the counter to 3.
Any thread, usually main thread of application, which calls CountDownLatch.await() will wait until count reaches zero or it's interrupted by another Thread. All other t...
Why are dashes preferred for CSS selectors / HTML attributes?
In the past I've always used underscores for defining class and id attributes in HTML. Over the last few years I changed over to dashes, mostly to align myself with the trend in the community , not necessarily because it made sense to me.
...
Mercurial undo last commit
...his will undo the last transactional command. If a pull command brought 10 new changesets into the repository on different branches, then 'hg rollback' will remove them all.
Please note: there is no backup when you rollback a transaction!
'hg strip' will remove a changeset and all its descendant...
How do I stop a web page from scrolling to the top when a link is clicked that triggers JavaScript?
...e) {
$e.preventDefault();
doSomething();
});
document.getElementById('#ma_link').addEventListener('click', function (e) {
e.preventDefault();
doSomething();
})
Option 2: return false;
In jQuery:
Returning false from an event handler will automatically call event.stopPropagati...
Best practices for reducing Garbage Collector activity in Javascript
... in modern interpreters in several places:
When you create an object via new or via literal syntax [...], or {}.
When you concatenate strings.
When you enter a scope that contains function declarations.
When you perform an action that triggers an exception.
When you evaluate a function expression:...
Develop Android app using C#
...
Here is a new one (Note: in Tech Preview stage):
http://www.dot42.com
It is basically a Visual Studio add-in that lets you compile your C# code directly to DEX code. This means there is no run-time requirement such as Mono.
Disclosur...
Applying a git post-commit hook to all current and future repos
...this:
git config --global init.templatedir '~/.git_template'
Afterward, new repositories you create or clone will use this directory for templates. Place the hooks you want in ~/.git_template/hooks. Existing repositories can be reinitialized with the proper templates by running git init in the sa...
pass **kwargs argument to another function with **kwargs
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f9867562%2fpass-kwargs-argument-to-another-function-with-kwargs%23new-answer', 'question_page');
}
);
...
How to truncate string using SQL server
...@name varchar(100);
set @name='....';
Select Cast(@name as varchar(10)) as new_name
share
|
improve this answer
|
follow
|
...
Doctrine2: Best way to handle many-to-many with extra columns in reference table
...anybody know how can I get the doctrine command line tool to generate this new entity as a yml schema file ? This command: app/console doctrine:mapping:import AppBundle yml still generate manyToMany relation for the original two tables and simply ignore the third table instead of concidering it as a...