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How to install the JDK on Ubuntu Linux
...lete, set environment variables as follows.
Edit the system path in file /etc/profile:
sudo gedit /etc/profile
Add the following lines at the end.
JAVA_HOME=/usr/lib/jvm/jdk1.7.0
PATH=$PATH:$HOME/bin:$JAVA_HOME/bin
export JAVA_HOME
export PATH
Source: http://javaandme.com/
...
Force R not to use exponential notation (e.g. e+10)?
...eful for e.g. default package loads, data.table configuration, environment etc. Again, that config can run to a page of settings, and there's zero chance you'll remember those and their syntax and type them in
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How to ALTER multiple columns at once in SQL Server
... generate their scripts: create a new table and replicate FKs and indexes, etc, drop original table and then rename new table,
– KM.
Sep 8 '16 at 12:24
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Algorithm to detect overlapping periods [duplicate]
...ET
That library does a lot of work concerning overlap, intersecting them, etc. It's too big to copy/paste all of it, but I'll see which specific parts which can be useful to you.
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improve th...
How to set environment variables in Python?
...ts to create just a persistent variable that can be used by other scripts, etc., not a permanent variable in the registry! Now, I admit I was aggressive in my comment, but you made me lost a lot of time until I find out how to remove a permanent a variable from the environment that I created just fo...
Scala best way of turning a Collection into a Map-by-key?
...en here. Looking at the source code of scala.collection.mutable.MapBuilder etc, it seems to me that for each tuple, a new immutable map is created to which the tuple is added.
– jcsahnwaldt Reinstate Monica
Mar 3 '12 at 2:17
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What is the difference between log4net and ELMAH?
...exceptions via many different mechanisms (SQL, RSS, Twitter, files, email, etc.). If you have no built-in exception handling ELMAH will most likely get you what you are looking for in terms of exception handling in a web application environment.
Log4net can be used for exception logging as well, ho...
Makefile, header dependencies
...n a build subfolder (so $OBJECTS contains build/main.o build/smbus.o build/etc...) and that certainly creates the .d files as you described with the apparent bug, but it certainly is not building the .o files at all, whereas it does if I remove the -MM and -MF.
– bobpaul
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Client on node: Uncaught ReferenceError: require is not defined
... This is my personal favorite.
Webpack - Does everything (bundles JS, CSS, etc). Made popular by the surge of React.js. Notorious for its difficult learning curve.
Rollup - New contender. Leverages ES6 modules. Includes tree-shaking abilities (removes unused code).
You can read more about my compa...
Node.js get file extension
...rue }
}
You can use this header and do the extension mapping (substring etc ...) manually, but there are also ready made libraries for this. Below two were the top results when i did a google search
mime
mime-types
and their usage is simple as well:
app.post('/upload2', function (req, res) ...