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What is ?= in Makefile

...ariable only if it's not set/doesn't have a value. For example: KDIR ?= "foo" KDIR ?= "bar" test: echo $(KDIR) Would print "foo" GNU manual: http://www.gnu.org/software/make/manual/html_node/Setting.html share ...
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Is there a way to ignore a single FindBugs warning?

...ly not an option. Example: <Match> <Class name="com.mycompany.Foo" /> <Method name="bar" /> <Bug pattern="DLS_DEAD_STORE_OF_CLASS_LITERAL" /> </Match> However, to solve this issue, FindBugs later introduced another solution based on annotations (see Suppress...
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How can I add a help method to a shell script?

...lows the use of long options, and options after non option arguments (e.g. foo a b c --verbose rather than just foo -v a b c). This Stackoverflow answer explains how to use GNU getopt. † jeffbyrnes mentioned that the original link died but thankfully the way back machine had archived it. ...
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Meaning of epsilon argument of assertEquals for double values

...ith asserting exact floating point values. For instance: public interface Foo { double getDefaultValue(); } public class FooImpl implements Foo { public double getDefaultValue() { return Double.MIN_VALUE; } } In this case, you want to make sure it's really MIN_VALUE, not zero or -MIN_VAL...
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Find the most frequent number in a numpy vector

...than scipy.stats.mode, although less general. – Fred Foo Jun 6 '11 at 13:14 ...
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Conveniently map between enum and int / String

...id and are declared in order. (I tested this to verify that if you declare FOO(0), BAR(2), BAZ(1); that values[1] == BAR and values[2] == BAZ despite the ids passed in .) – corsiKa Feb 16 '11 at 20:14 ...
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What is the proper way to format a multi-line dict in Python?

... look like the begin of this part of code bad_example = { "foo": "bar", # Don't do this. Unnecessary indentation wastes screen space "hello": "world" # Don't do this. Omitting the comma is not good. } # You see? This line visually "joins" the next line when in a glance...
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Java: is there a map function?

... @jameshfisher, yes, something like foo::doMap or Foo::doMap. – leventov Aug 27 '14 at 6:26 9 ...
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findViewById in Fragment

...State) { ImageView imageView = (ImageView) getView().findViewById(R.id.foo); // or (ImageView) view.findViewById(R.id.foo); As getView() works only after onCreateView(), you can't use it inside onCreate() or onCreateView() methods of the fragment . ...
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twitter bootstrap typeahead ajax example

...ction, an array of objects according to your needs, e.g. [{"id":1,"label":"Foo"},{"id":2,"label":"Bar"}] – Jonathan Lidbeck Nov 27 '15 at 7:12 ...