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How do you copy a record in a SQL table but swap out the unique id of the new row?
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Any fields not specified should receive their default value (which is usually NULL when not defined).
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Print all the Spring beans that are loaded
Is there a way to print all the spring beans that are loaded on startup?I am using Spring 2.0.
8 Answers
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How can I get clickable hyperlinks in AlertDialog from a string resource?
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Then, I'm getting error Calling startActivity() from outside of an Activity context requires the FLAG_ACTIVITY_NEW_TASK flag. Is this really what you want?
– ViliusK
Dec 8 '16 at 13:08
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Is it a bad practice to catch Throwable?
...reep away this way.
Besides, Throwable covers Error as well and that's usually no point of return. You don't want to catch/handle that, you want your program to die immediately so that you can fix it properly.
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Search for string and get count in vi editor
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:g/xxxx/d
This will delete all the lines with pattern, and report how many deleted. Undo to get them back after.
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How do you clear Apache Maven's cache?
...ntly, Apache Maven seems to be having caching issues. Performing clean installs on our projects using Windows Vista or Windows 7 sometimes produce artifacts with the same data as a previous build even though the newer artifact's files should have been updated.
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jQuery parent of a parent
...ou might try
$(this).parents(':eq(1)');
The .parents(selector) says get all ancestors that match the selector
and the :eq(1) says find the oneth (zero-indexed, so the second) element in the list
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techniques for obscuring sensitive strings in C++
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Basically, anyone with access to your program and a debugger can and will find the key in the application if they want to.
But, if you just want to make sure the key doesn't show up when running strings on your binary, you could ...
How can I delete all unversioned/ignored files/folders in my working copy?
...I have a working copy of a Subversion repository, is there a way to delete all unversioned or ignored files in that working copy with a single command or tool? Essentially, I'm looking for the SVN analogue to git clean .
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General suggestions for debugging in R
...orite debugging routine:
When an error occurs, the first thing that I usually do is look at the stack trace by calling traceback(): that shows you where the error occurred, which is especially useful if you have several nested functions.
Next I will set options(error=recover); this immediately sw...