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Android Json and null values
How can I detect when a json value is null?
for example: [{"username":null},{"username":"null"}]
6 Answers
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Should private helper methods be static if they can be static
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One of my favorite threads.I am using NetBeans and it shows static method calls with italic fonts.
– skiabox
Jun 28 '12 at 12:24
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How to view DLL functions?
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For native code it's probably best to use Dependency Walker. It also possible to use dumpbin command line utility that comes with Visual Studio.
shar...
How to get all possible combinations of a list’s elements?
...from
the input iterable.
Combinations are emitted in lexicographic sort order. So, if the
input iterable is sorted, the
combination tuples will be produced in
sorted order.
Since 2.6, batteries are included!
s...
Select mySQL based only on month and year
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Is this true for EXTRACT(YEAR_MONTH FROM Date)?
– cmbuckley
Feb 1 '12 at 23:59
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How to set bootstrap navbar active class with Angular JS?
...i-sref-active/ui-sref-active-eq directives, ie. ui-sref-active-eq='active' or ui-sref-active='active' to achieve the same results
– Dan Pantry
Apr 14 '15 at 10:48
10
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What code analysis tools do you use for your Java projects? [closed]
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For static analysis tools I often use CPD, PMD, FindBugs, and Checkstyle.
CPD is the PMD "Copy/Paste Detector" tool. I was using PMD for a little while before I noticed the "Finding Duplicated Code" link on the PMD web page.
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Why does the default parameterless constructor go away when you create one with parameters
In C#, C++ and Java, when you create a constructor taking parameters, the default parameterless one goes away. I have always just accepted this fact, but now I've started wondering why.
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How is Python's List Implemented?
...oops, best of 3: 0.0566 usec per loop
I would be astounded if IronPython or Jython used linked lists - they would ruin the performance of many many widely-used libraries built on the assumption that lists are dynamic arrays.
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How to open standard Google Map application from my application?
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You should create an Intent object with a geo-URI:
String uri = String.format(Locale.ENGLISH, "geo:%f,%f", latitude, longitude);
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(uri));
context.startActivity(intent);
If you want to specify an address, you should use another form of geo-U...