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Argument list too long error for rm, cp, mv commands
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The reason this occurs is because bash actually expands the asterisk to every matching file, producing a very long command line.
Try this:
find . -name "*.pdf" -print0 | xargs -0 rm
Warning: this is a recursive search and will find (and delete) files in subdirectories as well. Tack on -f...
SQL Server: Examples of PIVOTing String data
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Remember that the MAX aggregate function will work on text as well as numbers. This query will only require the table to be scanned once.
SELECT Action,
MAX( CASE data WHEN 'View' THEN data ELSE '' END ) ViewCol,
MAX( CASE data WHEN 'Edit' THEN data ELSE ''...
Best way to get identity of inserted row?
...he two above aren't quite what you need (very rare). Also, as @Guy Starbuck mentioned, "You could use this if you want to get the current IDENTITY value for a table that you have not inserted a record into."
The OUTPUT clause of the INSERT statement will let you access every row that was inserted v...
How to jump to a particular line in a huge text file?
... where many lines are read from a single file. This is used by the traceback module to retrieve source lines for inclusion in the formatted traceback...
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How do you get git to always pull from a specific branch?
I'm not a git master, but I have been working with it for some time now, with several different projects. In each project, I always git clone [repository] and from that point, can always git pull , so long as I don't have outstanding changes, of course.
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What is the purpose of Serialization in Java?
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Let's define serialization first, then we can talk about why it's so useful.
Serialization is simply turning an existing object into a byte array. This byte array represents the class of the object, the version of the object, and the internal state of the object. This by...
How to amend several commits in Git to change author
..., but not necessary)
Be sure to inspect the result when you're done, to make sure that you didn't change anything you didn't mean to!
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clang error: unknown argument: '-mno-fused-madd' (python package installation failure)
...he following error when attempting to install psycopg2 via pip on Mavericks 10.9:
14 Answers
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How to check which locks are held on a table
How can we check which database locks are applied on which rows against a query batch?
6 Answers
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“#include” a text file in a C program as a char[]
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I'd suggest using (unix util)xxd for this.
you can use it like so
$ echo hello world > a
$ xxd -i a
outputs:
unsigned char a[] = {
0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x0a
};
unsigned int a_len = 12;
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