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What's a standard way to do a no-op in python?
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291
Use pass for no-op:
if x == 0:
pass
else:
print "x not equal 0"
And here's another exampl...
Format an Integer using Java String Format
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173
Use %03d in the format specifier for the integer. The 0 means that the number will be zero-fil...
What is & used for
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130
& is HTML for "Start of a character reference".
& is the character reference for ...
How to limit depth for recursive file list?
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Checkout the -maxdepth flag of find
find . -maxdepth 1 -type d -exec ls -ld "{}" \;
Here I used 1 as max level depth, -type d means find only directories, which then ls -ld lists contents of, in long format.
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C++ SFINAE examples?
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public:
enum { Yes = sizeof(IsClassT<T>::test<T>(0)) == 1 };
enum { No = !Yes };
};
When IsClassT<int>::Yes is evaluated, 0 cannot be converted to int int::* because int is not a class, so it can't have a member pointer. If SFINAE didn't exist, then you would get a com...
In Hibernate Validator 4.1+, what is the difference between @NotNull, @NotEmpty, and @NotBlank?
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319
@NotNull: The CharSequence, Collection, Map or Array object is not null, but can be empty.
@Not...
Replace one character with another in Bash
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answered May 8 '11 at 15:11
Brian ClapperBrian Clapper
22.4k66 gold badges6060 silver badges6565 bronze badges
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git produces Gtk-WARNING: cannot open display
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edited Jun 27 '13 at 7:07
answered Apr 19 '13 at 12:19
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Suppress command line output
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212
Because error messages often go to stderr not stdout.
Change the invocation to this:
taskkill...
How to get a specific output iterating a hash in Ruby?
...uts "#{key}-----"
puts array
end
Regarding order I should add, that in 1.8 the items will be iterated in random order (well, actually in an order defined by Fixnum's hashing function), while in 1.9 it will be iterated in the order of the literal.
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