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PostgreSQL delete all content
...ows
in the table.
http://www.postgresql.org/docs/9.3/static/sql-delete.html
TRUNCATE is a PostgreSQL extension that provides a faster mechanism to
remove all rows from a table. TRUNCATE quickly removes all rows from a
set of tables. It has the same effect as an unqualified DELETE on eac...
Git 工具 - 子模块(submodule)：一个仓库包含另一个仓库 - 开源 & Github -...
...而不是写自己的 Atom 生成代码。 你可能不得不通过 CPAN 安装或 Ruby gem 来包含共享库中的代码，或者将源代码直接拷贝到自己的项目中。 如果将这个库包含进来，那么无论用何种方式都很难定制它，部署则更加困难，因为你必须...
PhoneGap: Detect if running on desktop browser
...es a slight change on native code):
Create a file called __phonegap_index.html, with the source:
<!-- __phonegap_index.html -->
<script type="text/javascript">
function isPhoneGap() {
//the function's content is as described above
}
//ensure the 98% that this file ...
How can I make setInterval also work when a tab is inactive in Chrome?
... tasks that needs to be precisely executed at given intervals, you can use HTML5 Web Workers. Take a look at Möhre's answer below for more details...
CSS vs JS "animations"
This problem and many others could be avoided by using CSS transitions/animations instead of JavaScript based animations whi...
Using “label for” on radio buttons
...t Martha has the right answer. Both of Martha examples are perfectly valid HTML5. And for example if You want the whole thing to be in a frame, it is easier to style second one using css. If You want labels to be somewhere else, first one. But both are OK. Best regards!
– Jacek...
Should I size a textarea with CSS width / height or HTML cols / rows attributes?
...e for textarea on w3c.org. w3schools.com/tags/tag_textarea.asp w3.org/wiki/HTML/Elements/textarea
– Michael Stramel
Aug 13 '14 at 12:53
...
What's the difference between --general-numeric-sort and --numeric-sort options in gnu sort
...ws 10 comes after 9.
See http://www.gnu.org/software/coreutils/manual/html_node/sort-invocation.html
‘-g’ ‘--general-numeric-sort’
‘--sort=general-numeric’ Sort
numerically, using the standard C
function strtod to convert a prefix of
each line to a double-precision
flo...
Working with Enums in android
...android application. http://developer.android.com/training/articles/memory.html#Overhead
I quote:
Be aware of memory overhead
Be knowledgeable about the cost and overhead of the language and
libraries you are using, and keep this information in mind when you
design your app, from start...
Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
...ly found files. See
http://dev.mysql.com/doc/refman/5.5/en/option-files.html
Issue 3. could be due to an out of memory condition that occurs sometime after startup. You should see an indication of that further back in the logs if that is the case.
Finally, but somewhat unrelated, are you using...
How do I get a string format of the current date time, in python?
... obtain the correct date format.
https://docs.python.org/3/library/string.html#formatexamples
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