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What does the @ symbol before a variable name mean in C#? [duplicate]
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With what is it any different than, say, an underscore?
– Vilx-
Jan 9 '09 at 20:15
99
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git submodule tracking latest
...it submodule update --remote
If you had a submodule already present you now wish would track a branch, see "how to make an existing submodule track a branch".
Also see Vogella's tutorial on submodules for general information on submodules.
Note:
git submodule add -b . [URL to Git repo];
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Access Denied for User 'root'@'localhost' (using password: YES) - No Privileges?
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it give: ERROR 1054 (42S22): Unknown column 'Password' in 'field list' error. @AndyJones
– alper
Mar 31 '17 at 21:58
1
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Remove excess whitespace from within a string
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Not sure exactly what you want but here are two situations:
If you are just dealing with excess whitespace on the beginning or end of the string you can use trim(), ltrim() or rtrim() to remove it.
If you are dealing with extra spaces within a string consider a preg_replace of multipl...
iPhone App 开发第一步：从零到真机调试HelloWorld - 更多技术 - 清泛网 - ...
...机器（intel已经可以装lion了，此处不再讨论），应用darwin_snow_legacy.iso，进行引导，之后一路安装直至成功；
（2）安装完成后，装VMTools实现共享，以及声卡驱动；（3）之后要对系统进行升级（我是从10.6升级至10.6.7），升...
split string only on first instance - java
...har but it doesn't work for me
split string only on first instance of specified character
6 Answers
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HTML5 Canvas 100% Width Height of Viewport?
...ulting change in aspect ratio to have the effect of a stretched-out image. Now, you still don't need to redraw the canvas, but you need a window resize handler. In the handler, you do
$(ctx.canvas).css("height", window.innerHeight);
fiddle: messWithAspectratio
3: you want width and height to bot...
How can I disable HREF if onclick is executed?
I have an anchor with both HREF and ONCLICK attributes set. If clicked and Javascript is enabled, I want it to only execute ONCLICK and ignore HREF . Likewise, if Javascript is disabled or unsupported, I want it to follow the HREF URL and ignore ONCLICK . Below is an example of what I'...
Custom error pages on asp.net MVC3
... handle custom errors. I define an ErrorsController with actions handling different HTTP errors:
public class ErrorsController : Controller
{
public ActionResult General(Exception exception)
{
return Content("General failure", "text/plain");
}
public ActionResult Http404()
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How to delete a row by reference in data.table?
...ated to assignment by reference versus copying in data.table . I want to know if one can delete rows by reference, similar to
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