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Bash if [ false ] ; returns true
...ash
The if statement takes a command as an argument (as do &&, ||, etc.). The integer result code of the command is interpreted as a boolean (0/null=true, 1/else=false).
The test statement takes operators and operands as arguments and returns a result code in the same format as if. An alias ...
Error: Tablespace for table xxx exists. Please DISCARD the tablespace before IMPORT
...and such (lots of non-table 'stuff' is stored in there, undo logs, caches, etc...).
Anyways, I found that if you look in the OS directory where the files-per-table are stored, /var/lib/mysql by default on OSX, /usr/local/var/mysql with homebrew iirc, you'll find an orphaned tablename.ibd file witho...
UI Design Pattern for Windows Forms (like MVVM for WPF)
...s solution can be applied in various platforms (WPF, WinForms, Java Swing, etc.). I agree that MVVM is best used with WPF because it leverages the strong binding capabilities. However, Windows Forms supports data binding as well.
The WAF Windows Forms Adapter shows how to apply the MVVM Pattern in ...
Studies on optimal code width?
...ilar can be aligned and not broken.
I always use enough spaces/parenthesis etc
I prefer longer variables names above shorter names
Until a few years ago I limited to 100 but now widescreens are normally used and high resolution monitors 120 can be even seen on laptops (which I barely use).
Compa...
Intelligent point label placement in R
...creates the picture you have in your head. Things like R, ggplot2, lattice etc. do most of the work; but that extra little bit of tweaking, adding a line here, adjusting a margin there, is probably better suited to a different tool.
:climbing down from soapbox:
I would also note that I think we co...
Why should weights of Neural Networks be initialized to random numbers? [closed]
...ther algorithms, which are not able to find a global optimum (k-means, EM, etc.) and does not apply to the global optimization techniques (like SMO algorithm for SVM).
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Should I use Java's String.format() if performance is important?
...tten off as 'side-effects' due to context switching, background processes, etc.
– Evan Plaice
Feb 22 '14 at 10:58
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Does Git publicly expose my e-mail address?
...r email address does get embedded as part of your identity in commit logs, etc., along with the name you specify. For example, the "author" field in a commit log would show up as:
Author: Joe White <joewhite@mysite.com>
So the information is available to anyone with a copy of the repo, sinc...
How do you reverse a string in place in JavaScript?
...urn statement, without using built-in functions ( .reverse() , .charAt() etc.)?
51 Answers
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How to navigate through textfields (Next / Done Buttons)
...nually set the TextFields tag in ascending order. (First is 0, second is 1 etc.) for this solution to work.
– Joakim
Jan 7 '16 at 7:55
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