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What is “android.R.layout.simple_list_item_1”?

...ayout.html (Updated link thanks @Estel: https://github.com/android/platform_frameworks_base/tree/master/core/res/res/layout ) You can actually view the code for the layouts. share | improve this an...
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How do I import the Django DoesNotExist exception?

...mentation: self.assertRaises(Answer.DoesNotExist, Answer.objects.get, body__exact='<p>User can reply to discussion.</p>') or better: with self.assertRaises(Answer.DoesNotExist): Answer.objects.get(body__exact='<p>User can reply to discussion.</p>') ...
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What does -D_XOPEN_SOURCE do/mean?

... the gcc man page, but did not find this specific option. I did find XOPEN_SOURCE , but there was little explanation of what it does. ...
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Why declare unicode by string in python?

...racters in the string (that is, u'\u2665' is now legal). You can use from __future__ import unicode_literals to make it the default. This only applies to Python 2; in Python 3 the default is Unicode, and you need to specify a b in front (like b'These are bytes', to declare a sequence of bytes). ...
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Correct owner/group/permissions for Apache 2 site files/folders under Mac OS X?

... than owner can access content) chmod go+x DIR (to allow "users" including _www to "enter" the dir) sudo chgrp -R _www ~/my/web/root (all web content is now group _www) chmod -R go-rwx ~/my/web/root (nobody other than owner can access web content) chmod -R g+rx ~/my/web/root (all web content is now...
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Hash function that produces short hashes?

...ike the accepted answer): import base64 import hashlib import uuid unique_id = uuid.uuid4() # unique_id = UUID('8da617a7-0bd6-4cce-ae49-5d31f2a5a35f') hash = hashlib.sha1(str(unique_id).encode("UTF-8")) # hash.hexdigest() = '882efb0f24a03938e5898aa6b69df2038a2c3f0e' result = base64.b64encode(has...
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Dynamically load JS inside JS [duplicate]

... and use it like: if (typeof someObject == 'undefined') $.loadScript('url_to_someScript.js', function(){ //Stuff to do after someScript has loaded }); share | improve this answer | ...
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Try catch statements in C

...ou can simulate them to a degree with setjmp and longjmp calls. static jmp_buf s_jumpBuffer; void Example() { if (setjmp(s_jumpBuffer)) { // The longjmp was executed and returned control here printf("Exception happened here\n"); } else { // Normal code execution starts here Te...
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Conveniently Declaring Compile-Time Strings in C++

... I haven't seen anything to match the elegance of Scott Schurr's str_const presented at C++ Now 2012. It does require constexpr though. Here's how you can use it, and what it can do: int main() { constexpr str_const my_string = "Hello, world!"; static_assert(my_string.size() == 13,...
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Passing parameters in rails redirect_to

How do we pass parameters in redirect_to in rails? I know we can pass id using this: 9 Answers ...