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How to convert hashmap to JSON object in Java
How to convert or cast hashmap to JSON object in Java, and again convert JSON object to JSON string?
29 Answers
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Android -Starting Service at Boot Time
...I searched a lot. They are talking about Broadcastreceiver. As I am new to android development, I didn't get a clear picture about services on Android. Please provide some source code.
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@selector() in Swift?
... chaining on protocol types or is/as tests instead of respondsToSelector:, and use closures wherever you can instead of performSelector: for better type/memory safety.)
But there are still a number of important ObjC-based APIs that use selectors, including timers and the target/action pattern. Swift...
Is it possible to have two partial classes in different assemblies represent the same class?
...lies (projects). Once the assembly is compiled, the meta-data is baked in, and your classes are no longer partial. Partial classes allows you to split the definition of the same class into two files.
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java.util.Date vs java.sql.Date
java.util.Date vs java.sql.Date : when to use which and why?
7 Answers
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Is there a VB.NET equivalent of C# out parameters?
...f you are translating VBScript to VB, you should make sure to set Explicit and Strict mode on. It will get you more error messages, but most will point to the source of problems (e.g. variable declared without type) rather than secondary problems (e.g. variable declared without type becomes Object, ...
How to find the key of the largest value hash?
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You can also do hash.max_by(&:last) for the pair and hash.max_by(&:last).first for the key.
– mahemoff
Aug 18 '15 at 17:48
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Making Maven run all tests, even when some fail
...le than you are safe using -fae.
Otherwise, if you have multiple modules, and if you want all of them tested (even the ones that depend on the failing tests module), you should run mvn clean install -fn.
-fae will continue with the module that has a failing test (will run all other tests), but all ...
Gridview with two columns and auto resized images
...to stretch the column widths, set the spacing to 0 (or whatever you want), and set the number of columns to 2:
res/layout/main.xml
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
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How to add line break for UILabel?
...Attributes then setting the frame, you can just call sizeToFit to work-out and set the frame size in one quick step.
– jimmyjudas
Aug 13 '15 at 8:37
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