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Why java classes do not inherit annotations from implemented interfaces?
...s).value()
what's the result going to be? 'baz', 'phleem' or 'flopp'?
For this reason, annotations on interfaces are rarely useful.
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Why do I get a warning every time I use malloc?
...ed to add:
#include <stdlib.h>
This file includes the declaration for the built-in function malloc. If you don't do that, the compiler thinks you want to define your own function named malloc and it warns you because:
You don't explicitly declare it and
There already is a built-in functio...
How to extract a string using JavaScript Regex?
...arr = iCalContent.match(/\nSUMMARY:(.*)$/g) || [""]; //could also use null for empty value
return arr[0];
This way you don't get annoying type errors when you go to use arr
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How do I query using fields inside the new PostgreSQL JSON datatype?
I am looking for some docs and/or examples for the new JSON functions in PostgreSQL 9.2.
3 Answers
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Archive the artifacts in Jenkins
...pace yourself, it's good practice to clear at least the target directory before every build to make sure you don't end up with the results of an earlier build.
– Anders Lindahl
Apr 28 '11 at 16:44
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Measuring text width to be drawn on Canvas ( Android )
...e excessive. However, this is very subjective and dependent on the font.
For example the width from measure text bounds may actually look too small:
However when adding an additional text the bounds for one letter looks normal:
Images taken from Android Developers Guide to Custom Canvas Drawi...
C++ where to initialize static const
...::s = "foo string";
const char* foo::cs = "foo C string";
// No definition for i. (*)
const int foo::j = 4;
(*) According to the standards you must define i outside of the class definition (like j is) if it is used in code other than just integral constant expressions. See David's comment below fo...
How to prevent browser page caching in Rails
...ter Rails 5:
class ApplicationController < ActionController::Base
before_action :set_cache_headers
private
def set_cache_headers
response.headers["Cache-Control"] = "no-cache, no-store"
response.headers["Pragma"] = "no-cache"
response.headers["Expires"] = "Mon, 01 Jan 1990 0...
Import module from subfolder
I want to import subfolders as modules. Therefore every subfolder contains a __init__.py . My folder structure is like this:
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Consequences of using graft in Mercurial
...tly about skipping changes when maintaining release branches in Mercurial. For example:
2 Answers
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