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How do I check if a file exists in Java?
...s() (from my small benchmark on the only computer I tested: Windows Server 2012 running Java 1.7.0_45 x64).
– Matthieu
May 16 '17 at 16:53
1
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How to change background color in android app
...ngs.xml
<color name="white">#FFFFFF</color>
Edit : 18th Nov 2012
The first two letters of an 8 letter color code provide the alpha value, if you are using the html 6 letter color notation the color is opaque.
Eg :
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How to stop Visual Studio from “always” checking out solution files?
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still the same in 2012
– BlackICE
Apr 12 '13 at 13:23
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show 2 more comments
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How to create composite primary key in SQL Server 2008
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For MSSQL Server 2012
CREATE TABLE usrgroup(
usr_id int FOREIGN KEY REFERENCES users(id),
grp_id int FOREIGN KEY REFERENCES groups(id),
PRIMARY KEY (usr_id, grp_id)
)
UPDATE
I should add !
If you want to add foreign / primary keys...
Visual Studio: ContextSwitchDeadlock
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Many of the more recent versions of Visual Studio (2012, 2010, 2008) and possibly some earlier ones, allow one to choose the primary use of Visual Studio when it is first run after installation. That choice determines the default layout of toolbars, including which controls ...
How do I toggle an element's class in pure JavaScript?
...ses don't appear underneath the window object. Only IDs do. See 2ality.com/2012/08/ids-are-global.html
– mikemaccana
Mar 13 '15 at 11:44
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How can I get the MD5 fingerprint from Java's keytool, not only SHA-1?
...=Android, C=US
Serial number: 67b6344b
Valid from: Mon Jun 18 20:33:56 IST 2012 until: Wed Jun 11 20:33:56 IST 2042
Certificate fingerprints:
MD5: C2:61:51:3E:BC:C8:0C:DB:75:B6:E7:C4:90:AD:91:39
SHA1: CD:5E:8A:0F:4E:0F:2E:FD:92:5E:5E:4R:CF:F8:44:33:2C:8C:B8:97
SHA256: B5:...
test if event handler is bound to an element in jQuery [duplicate]
...lement, 'events'), but it's undocumented (and may change). blog.jquery.com/2012/08/09/jquery-1-8-released
– Rocket Hazmat
Aug 16 '12 at 18:43
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How to convert float to varchar in SQL Server
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this is the solution I ended up using in sqlserver 2012 (since all the other suggestions had the drawback of truncating fractional part or some other drawback).
declare @float float = 1000000000.1234;
select format(@float, N'#.##############################');
output:
100...
How do I check if a Sql server string is null or empty
...iano Carneiro
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answered Dec 2 '08 at 14:38
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