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How to remove an element from a list by index
...org/projects/python/trunk/Objects/listobject.c how PyList_GetItem() essentially returns ((PyListObject *)op) -> ob_item[i]; - the ith element of an array.
– glglgl
Sep 9 '13 at 7:53
...
Asynchronous vs Multithreading - Is there a difference?
...s the event to your application.
Frequently higher-level abstractions and APIs don't expose the underlying asynchronous API's available from the OS and the underlying hardware. In those cases it's usually easier to create threads to do asynchronous operations, even if the spawned thread is just wa...
Why does this loop produce “warning: iteration 3u invokes undefined behavior” and output more than 4
...
If during the evaluation of an expression, the result is not mathematically defined or not in the range of
representable values for its type, the behavior is undefined. [ Note: most existing implementations of C++
ignore integer overflows. Treatment of division by zero, forming a remainde...
What is the purpose of the vshost.exe file?
...ent).
The purpose of it is mostly to make debugging launch quicker - basically there's already a process with the framework running, just ready to load your application as soon as you want it to.
See this MSDN article and this blog post for more information.
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How do I get the title of the current active window using c#?
....csharphelp.com/2006/08/get-current-window-handle-and-caption-with-windows-api-in-c/
[DllImport("user32.dll")]
static extern IntPtr GetForegroundWindow();
[DllImport("user32.dll")]
static extern int GetWindowText(IntPtr hWnd, StringBuilder text, int count);
private string GetActiveWindowTitle()
{...
Java executors: how to be notified, without blocking, when a task completes?
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Define a callback interface to receive whatever parameters you want to pass along in the completion notification. Then invoke it at the end of the task.
You could even write a general wrapper for Runnable tasks, and submit these to E...
Pass variables to Ruby script via command line
I've installed RubyInstaller on Windows and I'm running IMAP Sync but I need to use it to sync hundreds of accounts. If I could pass these variables to it via command line I could automate the whole process better.
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How to do a SOAP Web Service call from Java class?
...ch, you'll have to:
Make the call:
Use the SAAJ (SOAP with Attachments API for Java) framework (see below, it's shipped with Java SE 1.6 or above) to make the calls; or
You can also do it through java.net.HttpUrlconnection (and some java.io handling).
Turn the objects into and back from XML:
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Ora-00257 错误处理一列 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
... 没有问题
查看权限
ll .bash_profile
-rw--rw--- 1 oracle oinstall 529 10鏈?24 20:18 /home/oracle/.bash_profile
有问题。修改权限
chmod 775 /home/oracle/.bash_profile
进入ORLACE
sqlplus /as sysdba
SQL> select * from v$log;
GROUP# THREAD# SEQUE...
How to choose the id generation strategy when using JPA and Hibernate
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The API Doc are very clear on this.
All generators implement the interface org.hibernate.id.IdentifierGenerator. This is a very simple interface. Some applications can choose to provide their own specialized implementations, however, Hibernate provides a range ...