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IntelliJ IDEA with Junit 4.7 “!!! JUnit version 3.8 or later expected:”
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This problem happens because Android Platform (android.jar) already contains JUnit classes. IDEA test runner loads these classes and sees that they are from the old JUnit, while you are trying to use annotated tests which is a feature of the new JUnit, therefore you get the error from the...
How do I copy a hash in Ruby?
I'll admit that I'm a bit of a ruby newbie (writing rake scripts, now). In most languages, copy constructors are easy to find. Half an hour of searching didn't find it in ruby. I want to create a copy of the hash so that I can modify it without affecting the original instance.
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How to embed a SWF file in an HTML page?
...rnate content. You can also use this library to trigger a Flash player upgrade. Once the user has upgraded, they will be redirected back to the page.
An example from the documentation:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"&g...
Safely casting long to int in Java
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A new method has been added with Java 8 to do just that.
import static java.lang.Math.toIntExact;
long foo = 10L;
int bar = toIntExact(foo);
Will throw an ArithmeticException in case of overflow.
See: Math.toIntExact(long)
Several other o...
Best Practices: working with long, multiline strings in PHP?
... edited Nov 15 '17 at 2:29
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answered Dec 4 '09 at 18:57
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Replace a value in a data frame based on a conditional (`if`) statement
...= "B"] <- "b"
EDIT: And if indeed you need to maintain nm as factors, add this in the end:
junk$nm <- as.factor(junk$nm)
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Using Build Flavors - Structuring source folders and build.gradle correctly
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If you got in the Studio preferences, under the Gradle section, you can enable auto-import for your project (we'll enable this by default later). This will let Studio re-import your build.gradle whenever you edit it.
Creating flavors doesn't mean you're going to use custom ...
psql: FATAL: role “postgres” does not exist
...r postgres.app setup does not seem to do this, you also should not. Simple adapt the tutorial.
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Wrong Manifest.mf in IntelliJ IDEA created .jar
... 6.0.1 libraries into a .jar through IntelliJ IDEA's jar artifact but instead of my manifest.mf containing the standard
7 A...
MongoDB - admin user not authorized
I am trying to add authorization to my MongoDB.
I am doing all this on Linux with MongoDB 2.6.1.
My mongod.conf file is in the old compatibility format
(this is how it came with the installation).
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