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Getting the application's directory from a WPF application
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@Helen: Judging from the upvotes, this is obviously an excellent answer. However, the answer has two ways of getting the app dir. Will they both work equally well?
– Christoffer Lette
Aug 29 '11 at 15:3...
How to force use of overflow menu on devices with menu button
... fit into the ActionBar go into the overflow menu (the one that is reached from the Action Bar not the menu button) even on devices that do have a Menu button . This seems much more intuitive for users than throwing them into a separate menu list that requires the user to jump from a touch(screen)...
How to convert hex to rgb using Java?
...color to RGB code in Java? Mostly in Google, samples are on how to convert from RGB to hex.
17 Answers
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onCreateOptionsMenu inside Fragments
...our app displays the Fragment, its menu will contain 3 entries:
action_1 from res/menu/fragment_menu.xml
action_2 from res/menu/fragment_menu.xml
action_settings from res/menu/menu.xml
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im...
TemplateDoesNotExist - Django Error
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Could also result from not registering a dependency of DRF. In my case I had to add 'django_hstore', to INSTALLED_APPS.
– shacker
Jul 20 '16 at 18:31
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Why does Popen.communicate() return b'hi\n' instead of 'hi'?
...of the bytes you have. If you know the encoding of the bytes you received from the subprocess, you can use decode() to convert them into a printable str:
>>> print(b'hi\n'.decode('ascii'))
hi
Of course, this specific example only works if you actually are receiving ASCII from the subpro...
Logical Operators, || or OR?
...ect normally.
See also: Logical operators (the following example is taken from there):
// The result of the expression (false || true) is assigned to $e
// Acts like: ($e = (false || true))
$e = false || true;
// The constant false is assigned to $f and then true is ignored
// Acts like: (($f = f...
How to count certain elements in array?
...t later will have to spend some time to check what it does, and lose focus from their task. An abstraction is far superior: const count = countItems(array, 2); and the implementation details can be argued inside.
– joeytwiddle
Jul 14 '16 at 5:37
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How can I stop a Postgres script when it encounters an error?
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I think the solution to add following to .psqlrc is far from perfection
\set ON_ERROR_STOP on
there exists much more simple and convenient way - use psql with parameter:
psql -v ON_ERROR_STOP=1
better to use also -X parameter turning off .psqlrc file usage.
Works perfectly f...
Sort a Map by values
...sistent with equals (see the sortMap javadox). This means retireving items from the tree map will not work. sorted_map.get("A") will return null. That means this use of treemap is broken.
– mR_fr0g
Dec 1 '10 at 14:36
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