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TSQL - Cast string to integer or return default value
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If you are on SQL Server 2012 (or newer):
Use the TRY_CONVERT function.
If you are on SQL Server 2005, 2008, or 2008 R2:
Create a user defined function. This will avoid the issues that Fedor Hajdu mentioned with regards to currency, fractional number...
What do commas and spaces in multiple classes mean in CSS?
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.container_12 .grid_6,
.container_16 .grid_8 {
width: 460px;
}
That says "make all .grid_6's within .container_12's and all .grid_8's within .container_16's 460 pixels wide." So both of the following will render the same:
<div ...
How to add extension methods to Enums
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TPAKTOPA
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answered Mar 13 '13 at 14:29
One Man CrewOne M...
Create request with POST, which response codes 200 or 201 and content
...s that the response body gives you a page that links you to the thing:
201 Created
The 201 (Created) status code indicates that the request has been fulfilled and has resulted in one or more new resources being created. The primary resource created by the request is identified by either a ...
Service vs IntentService in the Android platform
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answered Apr 2 '13 at 18:57
José Juan SánchezJosé Juan Sánchez
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How can I install Apache Ant on Mac OS X?
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j-beda
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answered Jul 11 '10 at 12:09
Michael Aaron SafyanMichael Aaron Safyan
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python-pandas and databases like mysql
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102
As Wes says, io/sql's read_sql will do it, once you've gotten a database connection using a DBI ...
Best practices/performance: mixing StringBuilder.append with String.concat
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+ operator
String s = s1 + s2
Behind the scenes this is translated to:
String s = new StringBuilder(s1).append(s2).toString();
Imagine how much extra work it adds if you have s1 + s2 here:
stringBuilder.append(s1 + s2)
instead of:
stringBuilder...
Change multiple files
The following command is correctly changing the contents of 2 files.
9 Answers
9
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Shell - Write variable contents to a file
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answered Jul 23 '12 at 19:12
pb2qpb2q
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