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What's the difference between Perl's backticks, system, and exec?
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exec
executes a command and never returns.
It's like a return statement in a function.
If the command is not found exec returns false.
It never returns true, because if the command is found it never returns at all.
There is also no point ...
For homebrew mysql installs, where's my.cnf?
...ide any defaults, place it at /etc/my.cnf.
Also, you can run mysql --help and look through it for the conf locations listed.
Default options are read from the following files in the given order:
/etc/my.cnf /etc/mysql/my.cnf /usr/etc/my.cnf ~/.my.cnf
The following groups are read: mysql client
Th...
Best PHP IDE for Mac? (Preferably free!) [closed]
.... Be prepared to allow half a gig of memory then you'll need to shut down and restart.
Komodo
A step above a Text Editor. Does not support database connections or split views. Color coding and syntax checking are there to an extent. The project control on Komodo is very unwieldy and strange compar...
TextEnhancer拓展 - 增强App中的文本格式 - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
...ffortlessly add advanced text features to your app, making it more dynamic and engaging for your users.Blocks[size=15.008px]SetTextJustification:Set or unset text justification for the specified label. Justification values: true to justify, false for no justification.
blocks (26)[size=15.008px]800...
Why use strict and warnings?
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For starters, use strict; (and to a lesser extent, use warnings;) helps find typos in variable names. Even experienced programmers make such errors. A common case is forgetting to rename an instance of a variable when cleaning up or refactoring code.
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The ViewData item that has the key 'MY KEY' is of type 'System.String' but must be of type 'IEnumera
...dropdown list from a database mapped with Linq-2-SQL, using ASP.NET MVC 2, and keep getting this error.
9 Answers
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How did I get a value larger than 8 bits in size from an 8-bit integer?
... occurs when the value is extended to bit-width sizeof(int) . As I understand it, incrementing a char shouldn't ever be undefined behavior as long as sizeof(char) < sizeof(int) . But that doesn't explain how c is getting an impossible value. As an 8-bit integer, how can c hold values gr...
How to find SQL Server running port?
... answered Sep 6 '12 at 10:04
AnandPhadkeAnandPhadke
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What is the best way to clone/deep copy a .NET generic Dictionary?
...uctor overload to Dictionary which takes an existing IDictionary" is fine, and already in my answer. If the values do need to be cloned, then the answer you've linked to doesn't help at all.
– Jon Skeet
Apr 15 '19 at 13:55
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Colorized Ruby output to the terminal [closed]
Using Ruby, how can I perform background and foreground text colorization for output in the terminal?
11 Answers
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