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@Basic(optional = false) vs @Column(nullable = false) in JPA
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Is cout synchronized/thread-safe?
...t?
In C++11, we do have some guarantees. The FDIS says the following in §27.4.1 [iostream.objects.overview]:
Concurrent access to a synchronized (§27.5.3.4) standard iostream object’s formatted and unformatted input (§27.7.2.1) and output (§27.7.3.1) functions or a standard C stream by mu...
Fully backup a git repo?
... commit.
– KingCrunch
Apr 7 '11 at 12:14
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Images can't contain alpha channels or transparencies
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find -exec cmd {} + vs | xargs
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So your code should look like this:
find . -exec cmd -option1 -option2 -- {} +
or
find . -print0 | xargs -0 cmd -option1 -option2 --
The first version is shorter and easier to write as you can ignore 1, but
the second version is more portable and safe, as "-exec cmd {} +" is a relatively...
Learning Python from Ruby; Differences and Similarities
...e statements; Python does not.
Ruby supports the standard expr ? val1 : val2 ternary operator; Python does not.
Ruby supports only single inheritance. If you need to mimic multiple inheritance, you can define modules and use mix-ins to pull the module methods into classes. Python supports multiple...
Get div height with plain JavaScript
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answered Mar 25 '13 at 13:05
DanDan
28.5k1111 gold badges4949 silver badges6969 bronze badges
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Android Studio: Android Manifest doesn't exists or has incorrect root tag
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On Android Studio v0.8.2 clicking on Sync project with Gradle files button solved my problem.
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How can I get a list of Git branches, ordered by most recent commit?
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Handlebars/Mustache - Is there a built in way to loop through the properties of an object?
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Built-in support since Handlebars 1.0rc1
Support for this functionality has been added to Handl...