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Check if a row exists, otherwise insert
...cedure that updates a row in a table. If the row doesn't exist, insert it. All this steps wrapped by a transaction.
11 Ans...
What is a simple command line program or script to backup SQL server databases?
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There's a good script to backup all user databases in one go here: mssqltips.com/tip.asp?tip=1070
– Marnix van Valen
Sep 22 '09 at 14:47
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The communication object, System.ServiceModel.Channels.ServiceChannel, cannot be used for communicat
What is this error all about, and how would I go about solving it?
14 Answers
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Good PHP ORM Library?
...database (it creates everything on the fly)
No models
etc.
It even does all the locking and transactions for you and monitors performance in the background. (Heck! it even does garbage collection....) Best of all... you don't have to write a single... line of code... Jesus this, ORM layer, saved ...
How do I convert from int to Long in Java?
...o Long. If you cast to long (a primitive value) then it should be automatically boxed to a Long (the reference type that wraps it).
You could alternatively use new to create an instance of Long, initializing it with the int value.
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Tar a directory, but don't store full absolute paths in the archive
...-C works; just for clarification I'll post 2 examples:
creation of a tarball without the full path:
full path /home/testuser/workspace/project/application.war and what we want is just project/application.war so:
tar -cvf output_filename.tar -C /home/testuser/workspace project
Note: there is a ...
Where is virtualenvwrapper.sh after pip install?
I'm trying to setup virtualenvwrapper on OSX, and all the instructions and tutorials I've found tell me to add a source command to .profile, pointing towards virtualenvwrapper.sh. I've checked all the python and site-packages directories, and I can't find any virtualenvwrapper.sh. Is this something ...
How to convert hex to rgb using Java?
... must be * 255 / 16. I tested this with "000", "aaa", and "fff", and they all work properly now.
– Andrew
Apr 14 '16 at 16:04
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How to connect to my http://localhost web server from Android Emulator
...w emulator instance using the Android Virtual Device (AVD) manager, and finally the 10.0.2.2 worked.
I don't know what was wrong with the other emulator instance (the platform was the same), but if you find 10.0.2.2 does not work, try creating a new emulator instance.
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What's the difference between including files with JSP include directive, JSP include action and usi
...ribute to the current page at translation time. The directive was
originally intended for static layout templates, like HTML headers.
2) The <jsp:include> standard action:
<jsp:include page="header.jsp" />
Dynamic: adds the content from the value of the page attribute to...