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How can I obtain an 'unbalanced' grid of ggplots?
...rrange multiple ggplot figures in a grid to achieve a multi-panel figure by using something like:
4 Answers
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Why can't a text column have a default value in MySQL?
...why a text column should not have a default value. No explanation is given by the MySQL documentation. It seems illogical to me (and somewhat frustrating, as I want a default value!). Anybody know why this is not allowed?
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Are there any cases when it's preferable to use a plain old Thread object instead of one of the newe
...fact that a plain old thread's functionality can be replaced in many cases by the ThreadPool class.
10 Answers
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dyld: Library not loaded: /usr/local/lib/libpng16.16.dylib with anything php related
...98-2013 Zend Technologies
with Xdebug v2.2.3, Copyright (c) 2002-2013, by Derick Rethans
1) Mac OS X equivalent of locate
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When should I use mmap for file access?
...file they were mmap'd from. (The OS can detect which pages are unmodified by initially marking writable mmap'd pages as read only and catching seg faults, similar to Copy on Write strategy).
mmap is also useful for inter process communication. You can mmap a file as read / write in the processe...
How do I change the Javadocs template generated in Eclipse?
...le / Code Template
Section Comment / Type
You can replace the author tag by whatever value you need and it will have an effect on new generated classes.
However, if the template is fine, but the value referenced buy the author tag is not, see this SO question:
${user} uses the value of the u...
How to manually expand a special variable (ex: ~ tilde) in bash
...(but please don't use this)
If I'm not mistaken, "~" will not be expanded by a bash script in that manner because it is treated as a literal string "~". You can force expansion via eval like this.
#!/bin/bash
homedir=~
eval homedir=$homedir
echo $homedir # prints home path
Alternatively, just u...
Why would a JavaScript variable start with a dollar sign? [duplicate]
... of ECMAScript, using $-prefixed variable names was explicitly discouraged by the spec except in the context of autogenerated code:
The dollar sign ($) and the underscore (_) are permitted anywhere in an identifier. The dollar sign is intended for use only in mechanically generated code.
Howev...
What does the red exclamation point icon in Eclipse mean?
...h errors
In practice, I've found that a "build path error" may be caused by any number of reasons, depending on what plugins are active. Check the "Problems" view for more information.
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How to quickly edit values in table in SQL Server Management Studio?
...udio, when you are editing the top 200, you can view the SQL pane - either by right clicking in the grid and choosing Pane->SQL or by the button in the upper left. This will allow you to write a custom query to drill down to the row(s) you want to edit.
But ultimately mgmt studio isn't a data e...