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Interfaces — What's the point?
...ntract. A set of public methods any implementing class has to have. Technically, the interface only governs syntax, i.e. what methods are there, what arguments they get and what they return. Usually they encapsulate semantics as well, although that only by documentation.
You can then have differen...
How to make a function wait until a callback has been called using node.js
...orking with event driven systems like node, your function should accept a callback parameter that will be invoked when then computation is complete. The caller should not wait for the value to be "returned" in the normal sense, but rather send the routine that will handle the resulting value:
funct...
When is TCP option SO_LINGER (0) required?
...void large numbers of connections sitting in the TIME_WAIT state, tying up all the available resources on a server.
When a TCP connection is closed cleanly, the end that initiated the close ("active close") ends up with the connection sitting in TIME_WAIT for several minutes. So if your protocol i...
Finding current executable's path without /proc/self/exe
...e) method is to use argv[0]. Although it could be set to anything by the calling program, by convention it is set to either a path name of the executable or a name that was found using $PATH.
Some shells, including bash and ksh, set the environment variable "_" to the full path of the executable be...
Is there any good dynamic SQL builder library in Java? [closed]
... @SvenJacobs very old comment, but to update, QueryDSL does allow building sql without code generation: stackoverflow.com/questions/21615956/…
– Nagaraj Tantri
Jun 13 '16 at 5:48
...
jQuery select all except first
In jQuery how do I use a selector to access all but the first of an element? So in the following code only the second and third element would be accessed. I know I can access them manually but there could be any number of elements so thats not possible. Thanks.
...
What is the difference between a route and resource in New Router API?
... a brand new
namespace. That namespace is named after the
resource and all of the child routes will be inserted into it.
Update: more complex example with nested resources
Consider the following more complex example with multiple nested resources:
App.Router.map(function() {
this.resource(...
TokuMX vs. MongoDB 性能对比 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...DB发布（distribution），在提供与MongoDB完全兼容的客户端、API的同时，号称可以减少90%的存储空间，同时提供20倍的性能提升。我也了解到，已经有一些生产系统在使用TokuMX，反馈不错。
经过我的测试，用MongoDB需要102G的数据，采...
Changing the background drawable of the searchview widget
...get to the right view within SearchView), but it's not bullet-proof. Especially if some manufacturer decides to reimplement internals of SearchView and element with above-mentioned id is not present - the code won't work.
In SDK, the background for text field in SearchView is declared through nine-...
Setting “checked” for a checkbox with jQuery
...e .prop() and .attr() methods instead of this is that they will operate on all matched elements.
jQuery 1.5.x and below
The .prop() method is not available, so you need to use .attr().
$('.myCheckbox').attr('checked', true);
$('.myCheckbox').attr('checked', false);
Note that this is the approac...