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how to put focus on TextBox when the form load?
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Set theActiveControl property of the form and you should be fine.
this.ActiveControl = yourtextboxname;
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follo...
Creating the Singleton design pattern in PHP5
.../en/language.variables.scope.php#language.variables.scope.static to understand static variable scopes and why setting static $inst = null; works.
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Why and when to use Node.js? [duplicate]
Sorry if I'm a bit ambiguous, but I'm trying to understand the real advantages of using Node.js instead of other server-side language.
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How do I cast a variable in Scala?
...rred technique is to use pattern matching. This allows you to gracefully handle the case that the value in question is not of the given type:
g match {
case g2: Graphics2D => g2
case _ => throw new ClassCastException
}
This block replicates the semantics of the asInstanceOf[Graphics2D]...
rsync exclude according to .gitignore & .hgignore & svn:ignore like --filter=:C
...itignore") which tells rsync to do a directory merge with .gitignore files and have them exclude per git's rules. You may also want to add your global ignore file, if you have one. To make it easier to use, I created an alias to rsync which included the filter.
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How do I choose a HTTP status code in REST API for “Not Ready Yet, Try Again Later”? [closed]
...t generates all the blobs for all the thingies. Thingy 1234 already exists and its data, other than the blob, is already available. The server hasn't got to generating thingy 1234's blob yet.
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Check if inputs are empty using jQuery
...m that I would like all fields to be filled in. If a field is clicked into and then not filled out, I would like to display a red background.
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Compile error: “g++: error trying to exec 'cc1plus': execvp: No such file or directory”
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I don't know why but i just renamed my source file COLARR.C to colarr.c and the error vanished!
probably you need this
sudo apt-get install g++
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How to prevent SIGPIPEs (or handle them properly)
...that accepts connections on a TCP or local UNIX socket, reads a simple command and, depending on the command, sends a reply. The problem is that the client may have no interest in the answer sometimes and exits early, so writing to that socket will cause a SIGPIPE and make my server crash. What's th...
How to iterate through a DataTable
....Text = row["ImagePath"].ToString();
}
...assumes the connection is open and the command is set up properly. I also didn't check the syntax, but it should give you the idea.
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