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How to show a confirm message before delete?
...se thanks to the event.preventDefault() function. You can replace the hash char with a url, it won't be triggered. But, if JavaScript is disabled the link will work as expected.
– DevAntoine
May 13 '16 at 8:18
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Relative imports in Python 3
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If the __name__ is '__main__', __name__.rpartition('.')[0] returns empty string. This is why there's empty string literal in the error description:
SystemError: Parent module '' not loaded, cannot perform relative import
The relevant part of the CPython's PyImport_ImportModuleLevelObject functi...
How to force 'cp' to overwrite directory instead of creating another one inside?
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Be extra careful using this, as it will remove all files from bar, even hidden ones.
– Elia Grady
Jul 13 '17 at 8:20
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Print array to a file
... @user1899415 implode the array with PHP_EOL and write the resulting string to file.
– Gordon
Aug 22 '13 at 8:56
13
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How to preventDefault on anchor tags?
...gs (<a></a>) to see if their href attribute is either an empty string ("") or a hash ('#') or there is an ng-click assignment. If it finds any of these conditions, it catches the event and prevents the default behavior.
The only down side is that it runs this directive for all anchor t...
Webfonts or Locally loaded fonts?
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I use the inline css method because the overhead of the extra request is more than the size increase when bease64 encoding. This is also further offset by gizip compression by the server of the css files.
Other option is to use asynchronous loading of fonts but most often users w...
Is there a difference between “==” and “is”?
...0 is 10**3
False
>>> 1000 == 10**3
True
The same holds true for string literals:
>>> "a" is "a"
True
>>> "aa" is "a" * 2
True
>>> x = "a"
>>> "aa" is x * 2
False
>>> "aa" is intern(x*2)
True
Please see this question as well.
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Collections.emptyMap() vs new HashMap()
...e this, and does not allow null references:
public ResultSet executeQuery(String query, Map<String, Object> queryParameters);
If you have a query that doesn't take any parameters, it's certainly a bit wasteful to create a HashMap, which involves allocating an array, when you could just pass...
Dynamic instantiation from string name of a class in dynamically imported module?
In python, I have to instantiate certain class, knowing its name in a string, but this class 'lives' in a dynamically imported module. An example follows:
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Resolving a Git conflict with binary files
...intuitive - something like git resolve would be nice, but would also be an extra step ...
– VolkA
Nov 10 '08 at 20:22
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