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Repair all tables in one go
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from command line you can use:
mysqlcheck -A --auto-repair
http://dev.mysql.com/doc/refman/5.0/en/mysqlcheck.html
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Jinja2 template variable if None Object set a default value
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Use the none builtin function (http://jinja.pocoo.org/docs/templates/#none):
{% if p is not none %}
{{ p.User['first_name'] }}
{% else %}
NONE
{%endif %}
or
{{ p.User['first_name'] if p != None else 'NONE' }}
or if you need an empty string...
What are .a and .so files?
... new .so file with ln command.
This will help you to build the .so files.
http://www.yolinux.com/TUTORIALS/LibraryArchives-StaticAndDynamic.html
Hope this helps.
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Flags to enable thorough and verbose g++ warnings
...ed several (which I have now added in). There is actually a second page at http://gcc.gnu.org that is quite well hidden. General warning options and C++ options (scroll down to the bottom for warnings)
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Escape Character in SQL Server
...to SQL injection attacks if you don't consider it. More info at Google or: http://it.toolbox.com/wiki/index.php/How_do_I_escape_single_quotes_in_SQL_queries%3F
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How to document Ruby code?
...that YARD is still not included in Ruby. (By the way YARD homepage accepts HTTPS.)
– Franklin Yu
Oct 25 '17 at 15:30
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When should I use UNSIGNED and SIGNED INT in MySQL?
...e's a table of the ranges of values each INTEGER type can store:
Source: http://dev.mysql.com/doc/refman/5.6/en/integer-types.html
UNSIGNED ranges from 0 to n, while signed ranges from about -n/2 to n/2.
In this case, you have an AUTO_INCREMENT ID column, so you would not have negatives. Thus, u...
Are there any open source C libraries with common data structures? [closed]
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The GDSL Library might be a good thing to consider:
http://home.gna.org/gdsl/
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Grouping functions (tapply, by, aggregate) and the *apply family
...se *apply functions (from the intro to plyr document from the plyr webpage http://had.co.nz/plyr/)
Base function Input Output plyr function
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aggregate d d ddply + colwise
apply a a/l aaply / alply
by ...
Is it possible to open a Windows Explorer window from PowerShell?
...shell prompt. Using this method, you can also pass cmd-line arguments (see http://support.microsoft.com/kb/314853)
The Invoke-Item cmdlet provides a way to run an executable file or to open a file (or set of files) from within Windows PowerShell. Alias: ii
use system.diagnostics.process
Examples:
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