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How can I suppress all output from a command using Bash?
...is to assign the result of a command to a variable:
$ DUMMY=$( grep root /etc/passwd 2>&1 )
$ echo $?
0
$ DUMMY=$( grep r00t /etc/passwd 2>&1 )
$ echo $?
1
Since Bash and other POSIX commandline interpreters does not consider variable assignments as a command, the present command's ...
Bootstrap Dropdown menu is not working
...
I realized that the order of those code lines is also important. If you put google apis as last line of code, then it does not work.
– Efe Büyük
May 9 '17 at 16:16
...
Jquery If radio button is checked
...ince I was editing to include Snippets as well as the JS Fiddle links), in order to wrap the <input /> elements with <label>s - allow for clicking the text to update the relevant <input /> - and changing the means of creating the content to append:
var appended = $('<div /&...
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
...
How can I multiply all items in a list together with Python?
...ator.mul took an average of .009s/1000 repetitions, making operator.mul an order of magnitude faster.
– whereswalden
Nov 1 '14 at 18:49
...
What is Virtual DOM?
...ntation of the user interface is created.
The most basic method needed in order to create a static component in ReactJS are:
You must return code from the render method.
You must convert every class to className since class is reserved word in JavaScript.
Aside from the more major changes there ar...
Spring MVC @PathVariable getting truncated
...isteredSuffixPatternMatch property of RequestMappingHandlerMapping bean in order to keep suffixPattern recognition activated but limited to registered extension.
Here you define only json and xml extensions:
<bean id="handlerMapping"
class="org.springframework.web.servlet.mvc.method.anno...
How to list the size of each file and directory and sort by descending size in Bash?
...-n
(this willnot show hidden (.dotfiles) files)
Use du -sm for Mb units etc. I always use
du -smc -- * | sort -n
because the total line (-c) will end up at the bottom for obvious reasons :)
PS:
See comments for handling dotfiles
I frequently use e.g. 'du -smc /home// | sort -n |tail' to get...
Java and SQLite [closed]
...Class.forName("org.sqlite.JDBC");
Connection conn = DriverManager.getConnection("jdbc:sqlite:test.db");
Statement stat = conn.createStatement();
stat.executeUpdate("drop table if exists people;");
stat.executeUpdate("create table people (name, occupation);");
...
How to get a subset of a javascript object's properties
...common refactorings like renaming a property in your IDE won't pick it up, etc.etc.
– Andy
May 12 at 18:03
You don't n...