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How to align an image dead center with bootstrap
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Set an element to display: block and center via margin. Available as a mixin and class.
Just need to add a class .center-block in the img tag, looks like this
<div class="container">
<div class="row">
<div class="span4"></div>
<div class="span4"><img cla...
javascript check for not null
...null' as a string.
Try to check with 'null'
if ('null' != val)
For an explanation of when and why this works, see the details below.
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How do I list the functions defined in my shell?
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in GNU bash 4.3.46(1)-release (x86_64-pc-linux-gnu) -F lists names / -f lists whole function
– ceph3us
Jul 29 '16 at 5:35
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How do I remove all .pyc files from a project?
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find . -name "*.pyc" -exec rm -f {} \;
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Using the star sign in grep
I am trying to search for the substring "abc" in a specific file in linux/bash
10 Answers
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How to check “hasRole” in Java Code with Spring Security?
How to check user authority or permission in Java Code ? For example - I want to show or hide button for user depending on role. There are annotations like:
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Keyboard shortcut to comment lines in Sublime Text 3
In Sublime Text 2 it was possible to comment out a line or a block of lines with Ctrl + / and Ctrl + Shift + / . According to the menu Edit > Comment these shortcuts should be valid, but in Sublime Text 3 (build 3047) they no longer seem to work. Does anybody know the right default keyboard...
Sankey Diagrams in R?
...It allows you to create interactive sankey diagrams. Here you can find an example. I also added a screenshot so you have an idea what it looks like.
# Load package
library(networkD3)
# Load energy projection data
# Load energy projection data
URL <- paste0(
"https://cdn.rawgit.com/chris...
Function to clear the console in R and RStudio
...nswered Apr 18 '13 at 13:49
E Luxo SoE Luxo So
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How to query SOLR for empty fields?
I have a large solr index, and I have noticed some fields are not updated correctly (the index is dynamic).
7 Answers
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