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SQL Server - transactions roll back on error?
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@AlexMcMillan The DROP PROCEDURE statement modifies the database structure, unlike INSERT, which just works with the data. So it cannot be wrapped in a transaction. I'm oversimplifying, but basically that's how it is.
– eksortso
Jun...
ZeroMQ实例-使用ZMQ(ZeroMQ)进行局域网内网络通信 - C/C++ - 清泛网 - 专注C/C++及内核技术
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//创建context，zmq的socket 需要在context上进行创建
if((pCtx = zmq_ctx_new()) == NULL)
{
return 0;
}
//创建zmq socket ，socket目前有6中属性 ，这里使用dealer方式
//具体使用方式请参考zmq官方文档（zmq手册）
if((p...
Fragments onResume from back stack
... FragmentManager manager = getSupportFragmentManager();
if (manager != null)
{
MyFragment currFrag = (MyFragment) manager.findFragmentById(R.id.fragmentItem);
currFrag.onFragmentResume();
} ...
How do I make XAML DataGridColumns fill the entire DataGrid?
...in XAML (not Silverlight) with resizable columns, the DataGrid will expand if the user resizes the screen.
10 Answers
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Add a “hook” to all AJAX requests on a page
I'd like to know if it's possible to "hook" into every single AJAX request (either as it's about to get sent, or on events) and perform an action. At this point I'm assuming that there are other third-party scripts on the page. Some of these might use jQuery, while others do not. Is this possible?
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What is the difference between call and apply?
What is the difference between using call and apply to invoke a function?
24 Answers
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NSObject +load and +initialize - What do they do?
...able file, the runtime sends the load message very early in the process's lifetime. For classes that are in a shared (dynamically-loaded) library, the runtime sends the load message just after the shared library is loaded into the process's address space.
Furthermore, the runtime only sends load t...
Event listener for when element becomes visible?
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Javascript events deal with User Interaction, if your code is organised enough you should be able to call the initialising function in the same place where the visibility changes (i.e. you shouldn't change myElement.style.display on many places, instead, call a function/...
How to drop a database with Mongoose?
...paring a database creation script in Node.js and Mongoose.
How can I check if the database already exists, and if so, drop (delete) it using Mongoose?
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How to loop over files in directory and change path and add suffix to filename
I need to write a script that starts my program with different arguments, but I'm new to Bash. I start my program with:
5 A...