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How can I avoid running ActiveRecord callbacks?
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edited Dec 3 '10 at 4:01
answered Mar 11 '09 at 4:29
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Unable to copy file - access to the path is denied
I am using Visual Studio 2005. After taking code from version control first,
the c#.net application runs correctly. But, after doing some modifications, when I build I am getting the following error:
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'Static readonly' vs. 'const'
... double edged:
it is useless if the value is fetched at runtime, perhaps from config
if you change the value of a const, you need to rebuild all the clients
but it can be faster, as it avoids a method call...
...which might sometimes have been inlined by the JIT anyway
If the value will never ch...
xtreme toolkit pro——CXTPReportControl控件教程 - C/C++ - 清泛网 - 专注C/C++及内核技术
...t(TRUE);//允许编辑FooterRows
// COLORREF clrNew;
// clrNew = RGB(0, 255, 0);
// m_wndReportCtrl.SetGridColor(clrNew);//设置网格线颜色
m_wndReportCtrl.SetGridStyle(TRUE,XTPReportGridStyle(xtpReportGridSolid));//设置垂直网格线风格
m_wndReportCtrl.SetGridStyle(FALSE,XTPRepo...
Keep SSH session alive [closed]
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The ssh daemon (sshd), which runs server-side, closes the connection from the server-side if the client goes silent (i.e., does not send information). To prevent connection loss, instruct the ssh client to send a sign-of-life signal to the server once in a while.
The configuration for this is...
Installing multiple instances of the same windows service on a server
... to its own folder.
2) Copy Install.Exe to the service executable folder (from .net framework folder)
3) Create a config file called Install.exe.config in the service executable folder
with the following contents (unique service names):
<?xml version="1.0" encoding="utf-8" ?>
<configurat...
Multiple working directories with Git?
...hare
which is not always mounted, you can prevent its administrative files from
being pruned by issuing the git worktree lock command, optionally
specifying --reason to explain why the working tree is locked.
<worktree>: If the last path components in the working tree's path is unique among ...
Can table columns with a Foreign Key be NULL?
... INTO child (id, parent_id) VALUES (1, NULL);
-- Query OK, 1 row affected (0.01 sec)
INSERT INTO child (id, parent_id) VALUES (2, 1);
-- ERROR 1452 (23000): Cannot add or update a child row: a foreign key
-- constraint fails (`t/child`, CONSTRAINT `child_ibfk_1` FOREIGN KEY
-- (`parent_id`) REFE...
invalid context 0x0 under iOS 7.0 and system degradation
...core graphics context, but I doubt that's the issue. These invalid context 0x0 error messages are common and easy to reproduce in iOS 7. In fact, I can reproduce the error using storyboard with zero code. I drag a UITextField onto the canvas in IB, run the app, and double tap inside the text field. ...
Publish to S3 using Git?
...ith. After a little bit search I could find the original jgit project page from where jgit.sh can be downloaded and used. The link is eclipse.org/jgit/download for anyone who may need it in future.
– M N Islam Shihan
Dec 6 '13 at 19:18
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