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How to sort a list of lists by a specific index of the inner list?
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10 Answers
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Best way to check if a Data Table has a null value in it
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edited Apr 10 '14 at 15:05
answered Jan 5 '11 at 13:21
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PHP substring extraction. Get the string before the first '/' or the whole string
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Use explode()
$arr = explode("/", $string, 2);
$first = $arr[0];
In this case, I'm using the limit parameter to explode so that php won't scan the string any more than what's needed.
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What regular expression will match valid international phone numbers?
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\+(9[976]\d|8[987530]\d|6[987]\d|5[90]\d|42\d|3[875]\d|
2[98654321]\d|9[8543210]|8[6421]|6[6543210]|5[87654321]|
4[987654310]|3[9643210]|2[70]|7|1)\d{1,14}$
Is the correct format for matching a generic international phone number. I replaced t...
Splitting string into multiple rows in Oracle
...oach to splitting a string (comma delimited) into multiple rows in Oracle 10g (preferably) and 11g.
13 Answers
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How to make an app's background image repeat
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430
Ok, here's what I've got in my app. It includes a hack to prevent ListViews from going black whi...
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...
Logical XOR operator in C++?
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answered Oct 20 '09 at 19:03
Greg HewgillGreg Hewgill
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HtmlString vs. MvcHtmlString
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answered Aug 1 '10 at 17:02
RupRup
30.4k77 gold badges7878 silver badges9898 bronze badges
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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...