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Possible heap pollution via varargs parameter
...heap never gets polluted, this should never throw a CCE
B b = listOfBs.get(0);
@SafeVarargs does not prevent this at all. However, there are methods which provably will not pollute the heap, the compiler just can't prove it. Previously, callers of such APIs would get annoying warnings that were c...
Using :after to clear floating elements
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edited Jan 28 '16 at 0:34
Chris Martin
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an...
How to create a WPF Window without a border that can be resized via a grip only?
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180
If you set the AllowsTransparency property on the Window (even without setting any transparency ...
Javascript Functions and default parameters, not working in IE and Chrome
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jucojuco
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Meaning of “[: too many arguments” error from if [] (square brackets)
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VARIABLE=$(/some/command);
# returns "hello world"
if [ $VARIABLE == 0 ]; then
# fails as if you wrote:
# if [ hello world == 0 ]
fi
The same will be true for any function call that puts down a string containing spaces or other special characters.
Easy fix
Wrap the variable output i...
Move capture in lambda
...ariables can be initialized with anything like so:
auto lambda = [value = 0] mutable { return ++value; };
In C++11 this is not possible yet, but with some tricks that involve helper types. Fortunately, the Clang 3.4 compiler already implements this awesome feature. The compiler will be released D...
Java: how to convert HashMap to array
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answered Jul 7 '09 at 5:47
Landon KuhnLandon Kuhn
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Why does running the Flask dev server run itself twice?
...o away, but then you also lose the reloading functionality:
app.run(port=4004, debug=config.DEBUG, host='0.0.0.0', use_reloader=False)
You can disable the reloader when using the flask run command too:
FLASK_DEBUG=1 flask run --no-reload
You can look for the WERKZEUG_RUN_MAIN environment varia...
Maven 3 warnings about build.plugins.plugin.version
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410
Add a <version> element after the <plugin> <artifactId> in your pom.xml file. ...
MongoDB inserts float when trying to insert integer
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db.data.update({'name': 'zero'}, {'$set': {'value': NumberInt(0)}})
You can also use NumberLong.
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