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How to determine when a Git branch was created?
...r`
If you’d rather see it in context using gitk, then use
gitk --all --select-commit=`git merge-base foo master`
(where foo is the name of the branch you are looking for.)
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How to prevent SIGPIPEs (or handle them properly)
...? Is there a way to check if the other side of the line is still reading? (select() doesn't seem to work here as it always says the socket is writable). Or should I just catch the SIGPIPE with a handler and ignore it?
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Understanding the difference between Object.create() and new SomeFunction()
...y when you create a object by using 'Object.create',you get the ability to select the object that should be its prototype.
– Anshul
Sep 2 '14 at 18:52
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SQL: How to get the count of each distinct value in a column?
...
SELECT
category,
COUNT(*) AS `num`
FROM
posts
GROUP BY
category
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How to debug PDO database queries?
...gt;setAttribute( PDO::ATTR_ERRMODE, PDO::ERRMODE_WARNING );
$db->query('SELECT *******');
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Launching Google Maps Directions via an intent on Android
...o set the default transit mode in the intent. By default the car option is selected. Can I set Walking as the default mode?
– Bear
Jan 7 '13 at 17:32
6
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VS2010 and IE10 Attaching the Script debugger to process iexplore.exe failed
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Why this was not selected as answer? Worked for me (IE10, VS2010, WIN 7 64bit).
– TheVillageIdiot
Mar 28 '13 at 3:18
1
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What is the difference between mutex and critical section?
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The 'fast' Windows equal of critical selection in Linux would be a futex, which stands for fast user space mutex. The difference between a futex and a mutex is that with a futex, the kernel only becomes involved when arbitration is required, so you save the over...
Regex - Should hyphens be escaped? [duplicate]
Hyphen is a special character in regex, for instance, to select a range, I could do something like:
3 Answers
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How does “cat
...1. Assign multi-line string to a shell variable
$ sql=$(cat <<EOF
SELECT foo, bar FROM db
WHERE foo='baz'
EOF
)
The $sql variable now holds the new-line characters too. You can verify with echo -e "$sql".
2. Pass multi-line string to a file in Bash
$ cat <<EOF > print.sh
#!/bin...