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Adding a new entry to the PATH variable in ZSH
... double quotes around the entries i.e. PATH="/home/david/pear/bin:/usr/bin:etc" to PATH=/home/david/pear/bin:/usr/bin:etc for it to stay in zshrc.
– a7omiton
Feb 7 '15 at 15:01
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How to split a large text file into smaller files with equal number of lines?
..._file.aa with the first million, then trail_file.ab with the next million, etc.
– Will
Feb 8 '15 at 21:49
2
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How to check if element has any children in Javascript?
...t to know about child elements (as opposed to text nodes, attribute nodes, etc.) on all modern browsers (and IE8 — in fact, even IE6) you can do this: (thank you Florian!)
if (element.children.length > 0) { // Or just `if (element.children.length)`
// It has at least one element as a chil...
About .bash_profile, .bashrc, and where should alias be written in? [duplicate]
...environment variable, don't export it!), shell options with set and shopt, etc. For an example, see: My .bashrc
Now, as part of UNIX peculiarity, a login-shell does NOT execute ~/.bashrc but only ~/.profile or ~/.bash_profile, so you should source that one manually from the latter. You'll see me do...
How to create a memory leak in Java?
...
String str=readString(); // read lengthy string any source db,textbox/jsp etc..
// This will place the string in memory pool from which you can't remove
str.intern();
(Unclosed) open streams ( file , network etc... )
try {
BufferedReader br = new BufferedReader(new FileReader(inputFile));
...
How to turn off INFO logging in Spark?
...rk 1.5. RHEL 6. CDH 5.5. Tried creating new file /opt/cloudera/parcels/CDH/etc/spark/conf.dist/log4j.properties and changing like explained above. And also tried editing existing file /etc/spark/conf/log4j.properties. No effect for pyspark shell nor for pyspark-shell.
– Tagar
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Keep SSH session alive [closed]
...ward-coast
If you want to set the keep alive for the server, add this to /etc/ssh/sshd_config:
ClientAliveInterval 60
ClientAliveCountMax 2
ClientAliveInterval: Sets a timeout interval in seconds after which if no data has been received from the client, sshd(8) will send a message through the...
Django: “projects” vs “apps”
...evel app" which might contain widgets.py, fields.py, context_processors.py etc - all things you might want to import.
Similarly, if you can create something like a blog in a format that is pretty generic across installs, you can wrap it up in an app, with its own template, static content folder etc...
Is there any sed like utility for cmd.exe? [closed]
...ve" option, but it's not installed on Windows by default; it has sed, grep etc. out of the box, though.
https://github.com/mbuilov/sed-windows offers recent 4.3 and 4.4 versions, which support -z option unlike listed upper ports
If you don't want to install anything and your system ain't a Windows...
Spring RestTemplate GET with parameters
...
To easily manipulate URLs / path / params / etc., you can use Spring's UriComponentsBuilder class. It's cleaner than manually concatenating strings and it takes care of the URL encoding for you:
HttpHeaders headers = new HttpHeaders();
headers.set("Accept", MediaType.A...