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Why can tuples contain mutable items?
...n any kind of object. They're used to (quickly) do things like variable-length argument lists (via the * operator in function definitions). If tuples couldn't hold mutable objects, they would be useless for things like this. Python would have to use lists, which would probably slow things down, and ...
Create a devise user from Ruby console
...o the save method to skip the validations if you want.
User.new({:email => "guy@gmail.com", :roles => ["admin"], :password => "111111", :password_confirmation => "111111" }).save(false)
Otherwise I'd do this
User.create!({:email => "guy@gmail.com", :roles => ["admin"], :passwor...
What is the Auto-Alignment Shortcut Key in Eclipse?
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An under-rated answer!
– markvgti
Sep 24 '18 at 6:53
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PHP mailer multiple address [duplicate]
...d to call the AddAddress method once for every recipient. Like so:
$mail->AddAddress('person1@domain.com', 'Person One');
$mail->AddAddress('person2@domain.com', 'Person Two');
// ..
Better yet, add them as Carbon Copy recipients.
$mail->AddCC('person1@domain.com', 'Person One');
$mail-...
How to enable LogCat/Console in Eclipse for Android?
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In Eclipse, Goto Window-> Show View -> Other -> Android-> Logcat.
Logcat is nothing but a console of your Emulator or Device.
System.out.println does not work in Android. So you have to handle every thing in Logcat. More Info Look out thi...
How to change a string into uppercase
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>>> s = 'sdsd'
>>> s.upper()
'SDSD'
See String Methods.
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What is the difference between SQL Server 2012 Express versions?
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> SQL Server Core * * *
> SQL Server Management Studio - * *
> Distributed Replay – Admin Tool - * *
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Output window of IntelliJ IDEA cuts output [duplicate]
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Preferences/Settings -> Editor -> General -> Console, check the box next to Override console cycle buffer size, set to a larger number than 1024 KB.
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解决：Failed to load JavaHL Library（windows及mac） - 其他 - 清泛IT社区，为创新赋能！
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从网上查看了一下解决办法，
1.选择window--->preferences->Team->SVN->SVN接口
2.选择SVNKit (Pure Java) xxxxxx
如下图所示
重启之后就不会再报错了。
二，mac下：
解决方法：
1.选择Eclipse--->preferences->Team...
Add single element to array in numpy
... but I always use the the np.take function for any wrap-around indexing:
>>> a = np.array([1, 2, 3])
>>> np.take(a, range(0, len(a)+1), mode='wrap')
array([1, 2, 3, 1])
>>> np.take(a, range(-1, len(a)+1), mode='wrap')
array([3, 1, 2, 3, 1])
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