大约有 44,000 项符合查询结果（耗时：0.0701秒） [XML]
Creating Multifield Indexes in Mongoose / MongoDB
... and field1 + field2. So it is first index according to field1 and then inside field1 with respect to field 2
– Ketan Ghumatkar
Jul 24 '15 at 15:46
1
...
Run an Application in GDB Until an Exception Occurs
... which has the following ANSI C interface:
/* addr is where the exception identifier is stored.
id is the exception identifier. */
void __raise_exception (void **addr, void *id);
To make the debugger catch all exceptions before any stack unwinding takes place, set a breakpoint on __raise_exce...
Twitter Bootstrap - Tabs - URL doesn't change
...volved, I think it's neatest as a small jQuery plugin: https://github.com/aidanlister/jquery-stickytabs
You can call the plugin like so:
$('.nav-tabs').stickyTabs();
I've made a blog post for this, http://aidanlister.com/2014/03/persisting-the-tab-state-in-bootstrap/
...
Use HTML5 to resize an image before upload
...at I ended up doing and it worked great.
First I moved the file input outside of the form so that it is not submitted:
<input name="imagefile[]" type="file" id="takePictureField" accept="image/*" onchange="uploadPhotos(\'#{imageUploadUrl}\')" />
<form id="uploadImageForm" enctype="multipa...
Using a custom typeface in Android
I want to use a custom font for my android application which I am creating.
I can individually change the typeface of each object from Code, but I have hundreds of them.
...
How to terminate a python subprocess launched with shell=True
...al to all the process in the groups. For that, you should attach a session id to the parent process of the spawned/child processes, which is a shell in your case. This will make it the group leader of the processes. So now, when a signal is sent to the process group leader, it's transmitted to all o...
form_for with nested resources
...er.rb
app/controllers/comments_controller.rb
just as it says at http://guides.rubyonrails.org/routing.html#nested-resources, with no special namespaces.
But partials and forms become tricky. Note the square brackets:
<%= form_for [@article, @comment] do |f| %>
Most important, if you want...
Why not use HTTPS for everything?
... site, and protect the user entirely. It would prevent problems such as deciding what has to be secured because everything would be, and it's not really an inconvenience to the user.
...
angularjs: ng-src equivalent for background-image:url(…)
... ng-src which has the purpose that you won't receive an error for an invalid url before angularjs gets to evaluate the variables placed in between {{ and }} .
...
JSP tricks to make templating easier?
...HTML files into a simple JSP project. It's really all static, no serverside logic to program. I should mention I'm completely new to Java. JSP files seem to make it easy to work with common includes and variables, much like PHP , but I'd like to know a simple way to get something like template i...