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R: rJava package install failing
... me on Ubuntu 12.04 and R version 3.0
cd /usr/lib/jvm/java-6-sun-1.6.0.26/include
this is the directory that has jni.h
Next create a soft link to another required header file (I'm too lazy to find out how to include more than one directory in the JAVA_CPPFLAGS option below):
sudo ln -s linux/jn...
Selenium wait until document is ready
... that selenium records an (internal) id-number for all elements on a page, including the top-level <html> element. When a page refreshes or loads, it gets a new html element with a new ID.
So, assuming you want to click on a link with text "my link" for example:
old_page = browser.find_elem...
How to get the data-id attribute?
..... Every attempt is made to convert the string to a JavaScript value (this includes booleans, numbers, objects, arrays, and null). A value is only converted to a number if doing so doesn't change the value's representation. For example, "1E02" and "100.000" are equivalent as numbers (numeric value 1...
How to return multiple lines JSX in another return statement in React?
...
Thanks! TIL! Updating my answer to include a link to a JSFiddle that shows that flatten is optional. Will also include the link to the React docs.
– Jan Olaf Krems
May 24 '14 at 4:37
...
What is the benefit of using $() instead of backticks in shell scripts?
...contents of the embedded command and cannot handle some valid scripts that include backquotes, while the newer $() form can process any kind of valid embedded script.
For example, these otherwise valid embedded scripts do not work in the left column, but do work on the rightIEEE:
echo ` ...
What's this =! operator? [duplicate]
...signment has taken place by checking the value of a, which is also true.
#include <iostream>
int main()
{
bool a = false;
bool b = false;
if(a)
printf("a is true!\n");
else
printf("a is false!\n");
if(a = !b)
printf("expression is true!\n");
...
IntelliJ - Convert a Java project/module into a Maven project/module
...operties>
<dependencies>
<!--All dependencies to put here, including module dependencies-->
</dependencies>
<build>
<directory>${project.basedir}/target</directory>
<outputDirectory>${project.build.directory}/classes</outputDirectory>
...
Should it be “Arrange-Assert-Act-Assert”?
...hrows Exception {
Range range = new Range(0, 5);
assertFalse(range.includes(7));
range.encompass(7);
assertTrue(range.includes(7));
}
It could be that I wrote Range.includes() to simply return true. I didn't, but I can imagine that I might have. Or I could have written it wrong i...
“Invalid signature file” when attempting to run a .jar
... Unfortunately some of us use things like "maven shade plugin" so including verbatim copies of the original jar is not as easy in those cases...
– rogerdpack
Jun 11 '15 at 18:26
...