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Why does ~True result in -2?
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240
int(True) is 1.
1 is:
00000001
and ~1 is:
11111110
Which is -2 in Two's complement1
1 ...
How do I check out a specific version of a submodule using 'git submodule'?
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2 Answers
2
Active
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how to get the current working directory's absolute path from irb
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521
Dir.pwd seems to do the trick.
http://ruby-doc.org/core/Dir.html#method-c-pwd
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SQL how to increase or decrease one for a int column in one command
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252
To answer the first:
UPDATE Orders SET Quantity = Quantity + 1 WHERE ...
To answer the seco...
How do I browse an old revision of a Subversion repository through the web view?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Mar 16 '09 at 17:14
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Why would a post-build step (xcopy) occasionally exit with code 2 in a TeamCity build?
...ying is a file or a directory. This error will appear as "exited with code 2". When you run the same xcopy at a command prompt, you'll see that xcopy is asking for a response of file or directory.
To resolve this issue with an automated build, you can echo in a pre-defined response with a pipe.
To...
New Array from Index Range Swift
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This works for me:
var test = [1, 2, 3]
var n = 2
var test2 = test[0..<n]
Your issue could be with how you're declaring your array to begin with.
EDIT:
To fix your function, you have to cast your Slice to an array:
func aFunction(numbers: Array<Int...
How can i get the session object if i have the entity-manager
...otally exhaustive, things are different if you're using a JPA 1.0 or a JPA 2.0 implementation.
JPA 1.0
With JPA 1.0, you'd have to use EntityManager#getDelegate(). But keep in mind that the result of this method is implementation specific i.e. non portable from application server using Hibernate ...
Python __str__ versus __unicode__
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257
__str__() is the old method -- it returns bytes. __unicode__() is the new, preferred method --...