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Quick-and-dirty way to ensure only one instance of a shell script is running at a time
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Checkout subdirectories in Git?
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edited May 23 '17 at 12:10
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What does tree-ish mean in Git?
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| 1. <sha1> | dae86e1950b1277e545cee180551750029cfe735
| 2. <describeOutput> | v1.7.4.2-679-g3bee7fb
| 3. <refname> | master, heads/master, refs/heads/master
| 4. <refname>@{<date>} | master@{yesterday...
How can you check for a #hash in a URL using JavaScript?
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edited Aug 30 '12 at 1:52
answered Nov 18 '08 at 11:37
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Find Results not displaying Results
Today my Find Results feature of Visual Studio 2012 stopped working. The Find Results windows displays summary information, but not the actual lines matched. This is all my Find Results window displays:
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How to encrypt String in Java
... when decrypted. So let's say you encrypt an imaginary bank message "Sell 100", your encrypted message looks like this "eu23ng" the attacker changes one bit to "eu53ng" and all of a sudden when decrypted your message, it reads as "Sell 900".
To avoid this the majority of the internet uses GCM, an...
How to count lines in a document?
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answered Jun 29 '10 at 0:33
user85509user85509
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Why can't I use a list as a dict key in python?
...ed Aug 31 '11 at 13:36
user395760user395760
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How to speed up insertion performance in PostgreSQL
...storage, stop now. Back your data up, restructure your RAID array to RAID 10, and try again. RAID 5/6 are hopeless for bulk write performance - though a good RAID controller with a big cache can help.
If you have the option of using a hardware RAID controller with a big battery-backed write-back cac...
Check if a Bash array contains a value
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KeeganKeegan
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