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How can I detect when an Android application is running in the emulator?
...erently when running on the emulator than when running on a device. ( For example , using 10.0.2.2 instead of a public URL to run against a development server automatically.) What is the best way to detect when an Android application is running in the emulator?
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Can I set a TTL for @Cacheable
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See http://static.springsource.org/spring/docs/3.1.x/spring-framework-reference/htmlsingle/spring-framework-reference.html#cache-specific-config:
How can I set the TTL/TTI/Eviction policy/XXX feature?
Directly through your cache provider. The cache abstraction is...
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Split Java String by New Line
I'm trying to split text in a JTextArea using a regex to split the String by \n However, this does not work and I also tried by \r\n|\r|n and many other combination of regexes.
Code:
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sed or awk: delete n lines following a pattern
How would I mix patterns and numeric ranges in sed (or any similar tool - awk for example)? What I want to do is match certain lines in a file, and delete the next n lines before proceeding, and I want to do that as part of a pipeline.
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Random number generation in C++11: how to generate, how does it work? [closed]
...ers and turn them into our desired distribution, like Uniform[0,2] in the example. Best to leave this to a good library!
Engines
Thus at the heart of all randomness is a good pseudo-random number generator that generates a sequence of numbers that uniformly distributed over a certain interval, and...
Why is this program valid? I was trying to create a syntax error
...d with a Git pre-commit hook to detect programs being checked in with syntax errors. (Somehow I just managed to do such a bad commit.) So as a test program I randomly jotted this:
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How do I tell Spring Boot which main class to use for the executable jar?
...s in your pom:
<properties>
<!-- The main class to start by executing java -jar -->
<start-class>com.mycorp.starter.HelloWorldApplication</start-class>
</properties>
or
<build>
<plugins>
<plugin>
<groupId>org.springframew...
Run R script from command line
...f you're relying on anything that methods provides you'll want to load it explicitly in your script.
If you really want to use the ./a.R way of calling the script you could add an appropriate #! to the top of the script
#!/usr/bin/env Rscript
sayHello <- function(){
print('hello')
}
sayHell...
How to restore the permissions of files and directories within git if they have been modified?
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Git keeps track of filepermission and exposes permission changes when creating patches using git diff -p. So all we need is:
create a reverse patch
include only the permission changes
apply the patch to our working copy
As a one-liner:
git diff -p -R --no-ext...