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How to add a progress bar to a shell script?
...u can do things, such as the following.
$ pmonitor -c gzip
/home/dds/data/mysql-2015-04-01.sql.gz 58.06%
An earlier version of Linux and FreeBSD shell scripts appears on my blog.
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Django, creating a custom 500/404 error page
...ing 404 errors. It finds it by looking for the variable handler404 in your root URLconf (and only in your root URLconf; setting handler404 anywhere else will have no effect), which is a string in Python dotted syntax – the same format the normal URLconf callbacks use. A 404 view itself has nothing...
SQL join: selecting the last records in a one-to-many relationship
... features of your RDBMS to analyze the optimization plan. E.g. EXPLAIN on MySQL.
Some people use subqueries instead of the solution I show above, but I find my solution makes it easier to resolve ties.
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Extract hostname name from string
I would like to match just the root of a URL and not the whole URL from a text string. Given:
27 Answers
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List All Redis Databases
...
There is no command to do it (like you would do it with MySQL for instance). The number of Redis databases is fixed, and set in the configuration file. By default, you have 16 databases. Each database is identified by a number (not a name).
You can use the following command to kn...
Generate Java classes from .XSD files…?
....annotation.* package. See code listing 1 for Item.java
From the code
@XmlRootElement(name="Item") indicates that I want to be the root element.
@XmlType(propOrder = {"name", "price"}) indicates the order that I want the element to be arranged in XML output.
@XmlAttribute(name="id", ...) indicates...
Git resolve conflict using --ours/--theirs for all files
...checkout --[ours/theirs] . will do what you want, as long as you're at the root of all conflicts. ours/theirs only affects unmerged files so you shouldn't have to grep/find/etc conflicts specifically.
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Dynamically change color to lighter or darker by percentage CSS (Javascript)
...format, then use calc() to manipulate them.
Here's a basic example:
:root {
--link-color-h: 211;
--link-color-s: 100%;
--link-color-l: 50%;
--link-color-hsl: var(--link-color-h), var(--link-color-s), var(--link-color-l);
--link-color: hsl(var(--link-color-hsl));
--link-colo...
Strings as Primary Keys in SQL Database [closed]
...Good explanation. But holds this true for all SQL databases? I've heard of MySQL performance issues when using random UUID as primary key.
– hgoebl
Aug 27 '17 at 11:08
add a c...
Install Application programmatically on Android
...hout user's explicit permission; not unless the device and your program is rooted.
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