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How to avoid warning when introducing NAs by coercion
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answered Feb 20 '13 at 16:38
AndrieAndrie
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What is the ellipsis (…) for in this method signature?
...id2, jid78_a, someOtherJid);
See more here:
http://java.sun.com/j2se/1.5.0/docs/guide/language/varargs.html
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SQL SELECT WHERE field contains words
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mvpmvp
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What is Python buffer type for?
...'
>>> t = buffer(s, 6, 5)
>>> t
<read-only buffer for 0x10064a4b0, size 5, offset 6 at 0x100634ab0>
>>> print t
world
The buffer in this case is a sub-string, starting at position 6 with length 5, and it doesn't take extra storage space - it references a slice of t...
Disable IntelliJ Starred (Package) Imports?
...ure can not be disabled. You need to set it to a high value, e.g. 99.
In 2016.1.1 version
You should also remove the lines under Packages to Use Import with '*',
e.g. import javax.*;
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How can I update my ADT in Eclipse?
... name.
It will list the updates available- which should ideally be adt 20.xx
Eclipse will restart and hopefully everything should work fine for you.
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Check whether a string matches a regex in JS
... regex.test() if all you want is a boolean result:
console.log(/^([a-z0-9]{5,})$/.test('abc1')); // false
console.log(/^([a-z0-9]{5,})$/.test('abc12')); // true
console.log(/^([a-z0-9]{5,})$/.test('abc123')); // true
...and you could remove the () from your regexp since you've no n...
Round a double to 2 decimal places [duplicate]
If the value is 200.3456 , it should be formatted to 200.34 .
If it is 200 , then it should be 200.00 .
13 Answers
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Why is this program valid? I was trying to create a syntax error
...bar)
to be written as
new Foo $bar
So that means
Syntax error ! exit 0;
is the same as
error->Syntax(! exit 0);
or
error->Syntax(!exit(0));
Not only is it valid syntax, it doesn't result in a run-time error because the first thing executed is exit(0).
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Building C# Solution in Release mode using MSBuild.exe
...r solution(*.sln)] /t:Build /p:Configuration=Release /p:TargetFramework=v4.0
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