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How to check for Is not Null And Is not Empty string in SQL server?
...ou only want to match "" as an empty string
WHERE DATALENGTH(COLUMN) > 0
If you want to count any string consisting entirely of spaces as empty
WHERE COLUMN <> ''
Both of these will not return NULL values when used in a WHERE clause. As NULL will evaluate as UNKNOWN for these rather...
Does git return specific return error codes?
...iled; fix conflicts and then commit the result.
$ echo $?
1
Git returns 0 when it merges correctly, as expected.
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How to exclude this / current / dot folder from find “type d”
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edited Mar 11 '16 at 21:09
answered Jun 30 '13 at 10:32
C...
Best way to center a on a page vertically and horizontally? [duplicate]
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Is there a performance difference between i++ and ++i in C++?
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edited Mar 29 '18 at 20:08
zar
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answered Au...
What regular expression will match valid international phone numbers?
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\+(9[976]\d|8[987530]\d|6[987]\d|5[90]\d|42\d|3[875]\d|
2[98654321]\d|9[8543210]|8[6421]|6[6543210]|5[87654321]|
4[987654310]|3[9643210]|2[70]|7|1)\d{1,14}$
Is the correct format for matching a generic international phone number. I replaced t...
How to deny access to a file in .htaccess
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answered Jul 30 '12 at 21:18
Jon LinJon Lin
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Logical XOR operator in C++?
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answered Oct 20 '09 at 19:03
Greg HewgillGreg Hewgill
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Using helpers in model: how do I include helper dependencies?
...om a text area. Following the advice from http://blog.caboo.se/articles/2008/8/25/sanitize-your-users-html-input , I'm cleaning up the input in the model before saving to database, using the before_validate callback.
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Android:What is difference between setFlags and addFlags for intent
...st a integer which is power of two... in binary, flags look like this: 1, 10, 100, 1000, etc... (which in this case are 1, 2, 4, 8). So, what addFlags does is appending the integer you pass using the | operator.
// example...
// value of flags: 1
intent.setFlags(2|4);
// now flags have this value...