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Checking if a string is empty or null in Java [duplicate]
...pty("")); // true
System.out.println(StringUtils.isEmpty(null)); // true
Google Guava also provides a similar, probably easier-to-read method: Strings.isNullOrEmpty(str).
Example:
System.out.println(Strings.isNullOrEmpty("")); // true
System.out.println(Strings.isNullOrEmpty(null)); // true
...
How to replace a character with a newline in Emacs?
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Use didSelectRowAtIndexPath or prepareForSegue method for UITableView?
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Reading a binary file with python
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How to make an app's background image repeat
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Builder Pattern in Effective Java
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To generate an inner builder in Intellij IDEA, check out this plugin: https://github.com/analytically/innerbuilder
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Can the :not() pseudo-class have multiple arguments?
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What is the purpose of fork()?
...others are unaffected, so it functions as a mechanism for fault tolerance.
Google Chrome uses fork to handle each page within a separate process. This will prevent client-side code on one page from bringing your whole browser down.
fork is used to spawn processes in some parallel programs (like tho...
Is there a difference between PhoneGap and Cordova commands?
...a ,Eg: Building applications remotely for that you need to have
account on https://build.phonegap.com
Though For local builds phonegap cli uses cordova cli (Link to check:
https://github.com/phonegap/phonegap-cli/blob/master/lib/phonegap/util/platform.js)
Platform Environment Names.
Mapping:
'loca...
How do I start Mongo DB from Windows?
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Step 1:
First download the .msi i.e is the installation file from
https://www.mongodb.org/downloads#production
Step 2:
Perform the installation using the so downloaded .msi file.Automatically it gets stored in program files.
You could perform a custom installation and change the directory...