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Why doesn't 'ref' and 'out' support polymorphism?
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N writes a Tiger into n, which is an alias for x.
On another thread, someone writes a Turtle into x.
N attempts to read the contents of n, and discovers a Turtle in what it thinks is a variable of type Mammal.
Clearly we want to make that illegal.
Conclusion 4: out parameters cannot be made "...
QLabel: set color of text and background
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This one is working perfect
QColorDialog *dialog = new QColorDialog(this);
QColor color= dialog->getColor();
QVariant variant= color;
QString colcode = variant.toString();
ui->label->setStyleSheet("QLabel { background-c...
Setting the default Java character encoding
...JAVA_TOOL_OPTIONS can be used to specify this property, but it's normally done like this:
java -Dfile.encoding=UTF-8 … com.x.Main
Charset.defaultCharset() will reflect changes to the file.encoding property, but most of the code in the core Java libraries that need to determine the default chara...
How to repeat a “block” in a django template
...ps://github.com/SmileyChris/django-repeatblock
template macros is another one, however the author mentioned it's not carefully tested:
http://www.djangosnippets.org/snippets/363/
I used repeatblock.
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What is the best way to check for Internet connectivity using .NET?
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@Daniel: true on the one hand, but on the other hand, actually downloading the website is a little overhead imo
– Leo
Jan 9 '10 at 1:05
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SQLiteDatabase.query method
... Any option here to join 2 tables?
– AirCodeOne
Sep 6 '17 at 8:09
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@VijayKumbhoje you s...
UltiSnips and YouCompleteMe
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As others have mentioned, Joey Liu's solution is no longer working. This one does!
– Anchor
Oct 22 '14 at 5:26
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Stretch and scale a CSS image in the background - with CSS only
... container with a background-image and include the property above. As mentioned, browser support is not good yet and there are browser specific versions of this ie. -webkit-background-size etc. See W3C CSS3 Module: background-size and css3.info: background-size
– MrWhite
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ssh “permissions are too open” error
...files are not sensitive and
can (but need not) be readable by anyone.
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Force line-buffering of stdout when piping to tee
...m will be unbuffered.
Otherwise MODE is a number which may be followed by one of the following:
KB 1000, K 1024, MB 1000*1000, M 1024*1024, and so on for G, T, P, E, Z, Y.
In this case the corresponding stream will be fully buffered with the buffer
size set to MODE bytes.
keep this in mind, thoug...