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What's the difference of “./configure” option “--build”, “--host” and “--target”?
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edited Oct 24 '17 at 13:50
Vadim Kotov
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answere...
Is it possible to for SQL Output clause to return a column not being inserted?
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edited Jan 19 at 1:15
answered Jun 8 '12 at 14:07
Gar...
When to add what indexes in a table in Rails
... column. And Foreign keys are something searched for a lot.
Since Version 5 of rails the index will be created automatically, for more information see here.
Should I add "index" to the automatically created "id" column?
No, this is already done by rails
Should I add "index(unique)" to the...
Which characters need to be escaped in HTML?
... Jeyekomon
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answered Sep 11 '11 at 23:34
Jeremy Banks says PLEASE VOTEJeremy Banks says PLEASE ...
What is the difference between '/' and '//' when used for division?
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In Python 3.x, 5 / 2 will return 2.5 and 5 // 2 will return 2. The former is floating point division, and the latter is floor division, sometimes also called integer division.
In Python 2.2 or later in the 2.x line, there is no difference...
Laravel migration: unique key is too long, even if specified
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Specify a smaller length for your e-mail:
$table->string('email', 250);
Which is the default, actually:
$table->string('email');
And you should be good.
For Laravel 5.4 you can find a solution in this Laravel 5.4: Specified key was too long error, Laravel News post:
As outlined in ...
Java 8: performance of Streams vs Collections
... Mean error Units
StreamVsVanilla.stream avgt 10 17.588 0.230 ns/op
StreamVsVanilla.vanilla avgt 10 10.796 0.063 ns/op
Just as I expected stream implementation is fairly slower. JIT is able to inline all lambda stuff but doesn't produce a...
What character encoding should I use for a HTTP header?
I'm using a "fun" HTML special-character (✰)(see http://html5boilerplate.com/ for more info) for a Server HTTP-header and am wondering if it is "allowed" per spec.
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How to trigger event when a variable's value is changed?
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answered Apr 30 '11 at 14:25
Jonathan WoodJonathan Wood
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Configuring Log4j Loggers Programmatically
...ogger");
fa.setFile("mylog.log");
fa.setLayout(new PatternLayout("%d %-5p [%c{1}] %m%n"));
fa.setThreshold(Level.DEBUG);
fa.setAppend(true);
fa.activateOptions();
//add appender to any Logger (here is root)
Logger.getRootLogger().addAppender(fa);
//repeat with all other desired appe...