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How to delete a word and go into insert mode in Vim?
... "a" commands are great in Vim, also try "ci{" inside a {} block, or "ca{" if you also wish to remove the {} characters too. To translate these commands to English to remember them better, try: "change inner { block" and "change a { block".
Documentation at http://vimdoc.sourceforge.net/htmldoc/mo...
Run a JAR file from the command line and specify classpath
I've compiled a JAR file and specified the Main-Class in the manifest (I used the Eclipse Export function). My dependencies are all in a directory labeled lib . I can't seem to get a straight answer on how to execute my JAR file while specifying it should use the lib/* as the classpath.
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How do I tidy up an HTML file's indentation in VI?
...e my .vimrc, Vim indents HTML files quite nicely.
Simple example with a shiftwidth of 2:
<html>
<body>
<p>
text
</p>
</body>
</html>
share
|
im...
Assign variables to child template in {% include %} tag Django
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For completeness note that if you want to render the template only with the given variables (and doesn't inherit the parent context) you can add the "only" option: {% include "path/to/template.html" with form=form only }}
– gonz
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How to automatically start a service when running a docker container?
...ld phase and stops after the build is completed. Instead, you need to specify the command when the container is started using the CMD or ENTRYPOINT commands like below:
CMD mysql start
Secondly, the docker container needs a process (last command) to keep running, otherwise the container will exi...
Is there an XSLT name-of element?
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Nobody did point the subtle difference in the semantics of the functions name() and local-name().
name(someNode) returns the full
name of the node, and that includes
the prefix and colon in case the node
is an element or an attribute.
local-name(someNo...
When you exit a C application, is the malloc-ed memory automatically freed?
... its resources anyway can be good practice for various reasons, such as:
If you have additional resources that are not cleaned up by the OS on exit, such as temporary files or any kind of change to the state of an external resource, then you will need code to deal with all of those things on exit,...
Devise form within a different controller
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As Andres says, the form calls helpers which are specified by Devise and so aren't present when you access a Devise form from a non-Devise controller.
To get around this, you need to add the following methods to the helper class of the controller you wish to display the form u...
How to convert an entire MySQL database characterset and collation to UTF-8?
...ablename CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
Or if you're still on MySQL 5.5.2 or older which didn't support 4-byte UTF-8, use utf8 instead of utf8mb4:
ALTER DATABASE databasename CHARACTER SET utf8 COLLATE utf8_unicode_ci;
ALTER TABLE tablename CONVERT TO CHARACTER SET u...
Delete newline in Vim
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If you are on the first line, pressing (upper case) J will join that line and the next line together, removing the newline. You can also combine this with a count, so pressing 3J will combine all 3 lines together.
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