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Does MySQL ignore null values on unique constraints?
...T table1 VALUES (NULL);
SELECT * FROM table1;
Result:
x
NULL
NULL
1
This is not true for all databases. SQL Server 2005 and older, for example, only allows a single NULL value in a column that has a unique constraint.
s...
How do I replace text inside a div element?
I need to set the text within a DIV element dynamically. What is the best, browser safe approach? I have prototypejs and scriptaculous available.
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Check if a value exists in ArrayList
How can I check if a value that is written in scanner exists in an ArrayList ?
7 Answers
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Remove HTML Tags in Javascript with Regex
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Try this, noting that the grammar of HTML is too complex for regular expressions to be correct 100% of the time:
var regex = /(<([^>]+)>)/ig
, body = "<p>test</p>"
, result = body.replace(regex, "");
cons...
Using global variables between files?
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The problem is you defined myList from main.py, but subfile.py needs to use it. Here is a clean way to solve this problem: move all globals to a file, I call this file settings.py. This file is responsible for defining globals and initia...
Insert line break inside placeholder attribute of a textarea?
...oaches but none worked. Does anyone know a the nifty trick to get around this?
21 Answers
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T-SQL split string
...kOverflow but none of them works in R2. I have made sure I have select permissions on any split function examples. Any help greatly appreciated.
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An explicit value for the identity column in table can only be specified when a column list is used
I'm trying to do this query
16 Answers
16
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Create MSI or setup project with Visual Studio 2012
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To create setup projects in Visual Studio 2012 with InstallShield Limited Edition, watch this video.
The InstallShield limited edition that cannot install services.
"ISLE is by far the worst installer option and the upgraded, read -
paid for, vers...
Block Declaration Syntax List
Block syntax in Objective C (and indeed C, I presume) is notoriously incongruous. Passing blocks as arguments looks different than declaring blocks as ivars, which looks different than typedef ing blocks.
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