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Multiple cases in switch statement
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Brian R. BondyBrian R. Bondy
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Reverse a string in Python
...; 'hello world'[::-1]
'dlrow olleh'
This is extended slice syntax. It works by doing [begin:end:step] - by leaving begin and end off and specifying a step of -1, it reverses a string.
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How to add new elements to an array?
...an grow as you need it. The method ArrayList.toArray( T[] a ) gives you back your array if you need it in this form.
List<String> where = new ArrayList<String>();
where.add( ContactsContract.Contacts.HAS_PHONE_NUMBER+"=1" );
where.add( ContactsContract.Contacts.IN_VISIBLE_GROUP+"=1" );
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SQL Server: Database stuck in “Restoring” state
I backed up a database:
25 Answers
25
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XML Schema minOccurs / maxOccurs default values
...:element minOccurs="0" maxOccurs="0"/>
is a valid combination which makes the element prohibited.
For more info see http://www.w3.org/TR/xmlschema-0/#OccurrenceConstraints
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What does denote in C# [duplicate]
...ectly diving into modifying some code for a project I received. However, I keep seeing code like this :
3 Answers
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What is included in JCenter repository in Gradle?
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jcenter() is similar to mavenCentral(). Have a look at https://bintray.com/bintray/jcenter for more details. The jCenter guys claim that they have a better performance than Maven Central.
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How to revert a Git Submodule pointer to the commit stored in the containing repository?
...where...), pointing to the specific commit of the submodule that it is "linked to".
6 Answers
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How to center the content inside a linear layout?
...ne of these.
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#000"
android:baselineAligned="false"
android:...
When should we call System.exit in Java
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System.exit() can be used to run shutdown hooks before the program quits. This is a convenient way to handle shutdown in bigger programs, where all parts of the program can't (and shouldn't) be aware of each other. Then, if someone wants to quit, he can simply call Syst...