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MySQL: Can't create table (errno: 150)
...cing it. It must have the correct column names and types, and it must have indexes on the referenced keys, as stated earlier. If these are not satisfied, MySQL returns Error 1005 and refers to Error 150 in the error message, which means that a foreign key constraint was not correctly formed. Similar...
How to remove the first character of string in PHP?
...ction will probably help you here:
$str = substr($str, 1);
Strings are indexed starting from 0, and this functions second parameter takes the cutstart. So make that 1, and the first char is gone.
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Can I grep only the first n lines of a file?
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awk '{ if ( NR <= 10 ) { if(index($0,"ab") > 0) { print $0; } } else { exit; } }' textfile -- faster.
– user982733
Jan 7 '12 at 3:07
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PhoneGap Eclipse Issue - eglCodecCommon glUtilsParamSize: unknow param errors
...phonegap docs at http://docs.phonegap.com/en/edge/guide_platforms_android_index.md.html#Android%20Platform%20Guide
6 Answe...
Count table rows
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Is it any faster when I use name of indexed column instead of * ? Like this: SELECT COUNT(id) FROM tablename
– user1810543
Nov 8 '12 at 21:01
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Duplicate keys in .NET dictionaries?
... It will allow but will return multiple values, I tried using index and key.
– user6121177
Oct 6 '17 at 20:51
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How to get year/month/day from a date object?
...FullYear() + "/" + (dt.getMonth() + 1) + "/" + dt.getDate();
Since month index are 0 based you have to increment it by 1.
Edit
For a complete list of date object functions see
Date
getMonth()
Returns the month (0-11) in the specified date according to local time.
getUTCMonth()
Returns th...
Ordering by specific field value first
...now.
Second, pay attention to how FIELD() works: it returns the one-based index of the value - in the case of FIELD(priority, "core"), it'll return 1 if "core" is the value. If the value of the field is not in the list, it returns zero. This is why DESC is necessary unless you specify all possibl...
How to remove all leading zeroes in a string
...atement, that when it gets to a non zero digit(or string), it will get the index of that digit and drop all the preceding zero's then echo the string which starts with the first non zero value..
– Gerald
Feb 24 '11 at 0:13
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Get String in YYYYMMDD format from JS date object?
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You should replace [1] with .length===2, because an indexer on a string is not fully supported. See this answer for reasons why.
– Aidiakapi
Mar 4 '14 at 17:22
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