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Sorting dictionary keys in python [duplicate]
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>>> mydict = {'a':1,'b':3,'c':2}
>>> sorted(mydict, key=lambda key: mydict[key])
['a', 'c', 'b']
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Delete a line in Eclipse
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Ctrl + D
From Help->Key Assist... there are all kinds of useful keyboard shortcuts for Eclipse.
For Mac users: ⌘ + D
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Shortcut for changing font size
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Use :
Tools in Menu -> Options -> Environment -> Fonts and Colors
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Ruby ampersand colon shortcut [duplicate]
... @Steve: No, it's in 1.8.7 as well. p RUBY_VERSION # => "1.8.7" p ["a", "b", "c"].map(&:upcase) # => ["A", "B", "C"]
– August Lilleaas
Dec 25 '09 at 16:24
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Getting only 1 decimal place [duplicate]
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>>> "{0:0.1f}".format(45.34531)
'45.3'
Or use the builtin round:
>>> round(45.34531, 1)
45.299999999999997
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Referenced Project gets “lost” at Compile Time
...projects have same target framework version here:
right click on project -> properties -> application (tab) -> target framework
Also, make sure that the project "logger" (which you want to include in the main project) has the output type "Class Library" in:
right click on project -> pro...
ruby operator “=~” [duplicate]
...atch from the string if it is found, otherwise nil.
/mi/ =~ "hi mike" # => 3
"hi mike" =~ /mi/ # => 3
"mike" =~ /ruby/ # => nil
You can place the string/regex on either side of the operator as you can see above.
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PHP date yesterday [duplicate]
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A modern oop-approach is using DateTime
$date = new DateTime();
$date->sub(new DateInterval('P1D'));
echo $date->format('F j, Y') . "\n";
Or in your case (more readable/obvious)
$date = new DateTime();
$date->add(DateInterval::createFromDateString('yesterday'));
echo $date->format...
Checking whether a string starts with XXXX
...le words to your magic word, you can pass the words to match as a tuple:
>>> magicWord = 'zzzTest'
>>> magicWord.startswith(('zzz', 'yyy', 'rrr'))
True
startswith takes a string or a tuple of strings.
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Set HTTP header for one request
...VER['REQUEST_METHOD'] ) {
die();
}
if(!$this->input->get_request_header('Authorization')){
$this->response(null, 400);
}
$this->authorization = $this->input->get_request_header('Authorization');
}
}
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