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Check if application is on its first run [duplicate]
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private void checkFirstRun() {
final String PREFS_NAME = "MyPrefsFile";
final String PREF_VERSION_CODE_KEY = "version_code";
final int DOESNT_EXIST = -1;
// Get current version code
int currentVersionCode = BuildConfig.VERSION_CODE;
// Get saved version code
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Eclipse: Set maximum line length for auto formatting?
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In preferences Java -> Code Style -> Formatter, edit the profile. Under the Line Wrapping tab is the primary option for line width (Maximum line width:). In the Comments tab you have a separate option Maximum line width for comments:, which will also need to be changed to affect comme...
How to change an Android app's name?
...tivity_splash_screen"
in your Splash Screen activity in your strings.xml file. It can be found in Res -> Values -> strings.xml
See more here.
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Where to define custom error types in Ruby and/or Rails?
... this in httparty
For Ruby on Rails
Put them in your lib/ folder under a file called exceptions.rb, which would look something like this:
module Exceptions
class AuthenticationError < StandardError; end
class InvalidUsername < AuthenticationError; end
end
and you would use it like thi...
How can bcrypt have built-in salts?
... rainbow tables, which are lists of common passwords, or just brute force, etc... of different passwords but hashed. Without salt, the hash for a password in database A would be the same as a hash for a password in database B. Salt merely changes up the hash values making it harder for someone who...
What is an EJB, and what does it do?
...on: other EJBs, or resources like a JPA entity manager, a JDBC datasource, etc. can be injected into the EJB.
concurrency: the container makes sure that only one thread at a time invokes a method of your EJB instance.
distribution: some EJBs can be called remotely, from another JVM.
failover and loa...
What is your single most favorite command-line trick using Bash? [closed]
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Renaming/moving files with suffixes quickly:
cp /home/foo/realllylongname.cpp{,-old}
This expands to:
cp /home/foo/realllylongname.cpp /home/foo/realllylongname.cpp-old
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Which gets priority, maxRequestLength or maxAllowedContentLength?
While changing the maximum allowed file size for upload I stumbled on those two settings.
2 Answers
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“You are on a branch yet to be born” when adding git submodule
... receive the error The following path is ignored by one of your .gitignore files: path/to/submodule.
– Drew Noakes
Sep 18 '12 at 15:46
1
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HTTP POST and GET using cURL in Linux [duplicate]
...rl --data "param1=value1&param2=value2" http://hostname/resource
For file upload:
curl --form "fileupload=@filename.txt" http://hostname/resource
RESTful HTTP Post:
curl -X POST -d @filename http://hostname/resource
For logging into a site (auth):
curl -d "username=admin&password=ad...