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What does auto do in margin:0 auto?
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From the CSS specification on Calculating widths and margins for Block-level, non-replaced elements in normal flow:
If both 'margin-left' and 'margin-right' are 'auto', their used values are equal. This horizontally cente...
How can we match a^n b^n with Java regex?
...s when you're subjected to various constraints, the systematic composition from various parts to build a working solution, etc.
Bonus material! PCRE recursive pattern!
Since we did bring up PHP, it needs to be said that PCRE supports recursive pattern and subroutines. Thus, following pattern works ...
Alias with variable in bash [duplicate]
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If you are using the Fish shell (from http://fishshell.com ) instead of bash, they write functions a little differently.
You'll want to add something like this to your ~/.config/fish/config.fish which is the equivalent of your ~/.bashrc
function tail_ls
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django order_by query set, ascending and descending
...would still work, but you only need to add all() when you want all objects from the root QuerySet.
More on this here:
https://docs.djangoproject.com/en/dev/topics/db/queries/#retrieving-specific-objects-with-filters
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C++ wait for user input [duplicate]
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for linux, use pause() from unistd.h. pause command exist only on microsoft platform and few pdp or dos related ones. Some distros have it as alias declared
– Swift - Friday Pie
Feb 2 '17 at 14:31
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How can I generate Javadoc comments in Eclipse? [duplicate]
...file headers to your source code. It optionally generates initial comments from element name by using Velocity templates for Javadoc and file headers...
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Unicode character for “X” cancel / close?
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You can also use multiplication character ' × '. Taken from this question.
– Kamil Sarna
Jan 9 '12 at 11:28
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newline in [duplicate]
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using this from jquery it appears to want the real value not the encoded one, as I think it encodes for you. I used \r
– Maslow
Mar 21 '14 at 17:14
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Make a number a percentage
...d. As of 28 Jan 2019 the project has 135 open issues with the oldest being from Nov 2012. The number of open issues with no commit in almost 2 years suggests that the project is no longer looked after. Happy to be convinced otherwise.
– Manfred
Jan 28 '19 at 0:...
What's the best way to learn LISP? [closed]
...way. PCL has the advantage that experienced programs can start using Lisp from day 1, instead of just being mesmorized
– Aaron
Jan 2 '09 at 20:17
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