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In Vim, how do you search for a word boundary character, like the \b in regexp?
...regex syntax differs from (and apparently predates) PCRE.
See also:
Why does VIM have its own regex syntax?
What's the difference between vim regex and normal regex?
Within vim's regex engine, why are some metacharacters escaped and some are not?
Can I make vim accept \b rather than just \< an...
How to restart Activity in Android
How do I restart an Android Activity ? I tried the following, but the Activity simply quits.
21 Answers
...
Swift - encode URL
... Is no one else completely flabbergasted at how long this code is to do this? I mean that method name is already hell of long, even without choosing the allowed character set.
– thatidiotguy
Sep 30 '14 at 20:19
...
How do you calculate log base 2 in Java for integers?
....log(2)) fails (just because there are only 32 "dangerous" values), but it does not mean that it will work the same way on any PC.
The usual trick here is using "epsilon" when rounding. Like (int)(Math.log(x)/Math.log(2)+1e-10) should never fail. The choice of this "epsilon" is not a trivial task.
...
How to fix “Attempted relative import in non-package” even with __init__.py
...
I'm not either of the downvoters, but I feel this could use quite a bit more detail, given the popularity of this question and answer. Noting stuff like from what directory to execute the above shell command, the fact that you need __init__.pys al...
Python locale error: unsupported locale setting
Why do I get the following error when doing this in python:
20 Answers
20
...
Split string into an array in Bash
...${array[0]}"
To iterate over the elements:
for element in "${array[@]}"
do
echo "$element"
done
To get both the index and the value:
for index in "${!array[@]}"
do
echo "$index ${array[index]}"
done
The last example is useful because Bash arrays are sparse. In other words, you can de...
What's the best way to distribute Java applications? [closed]
... like NSIS. This gives you a lot more control, although the user can still do stupid stuff like un-installing the java runtime. This is probably the most popular approach, and what I currently use.
Use Webstart. This also assumes that the user has the correct java version installed, but it's a lot e...
How to mkdir only if a directory does not already exist?
...o create a directory. But the directory may already exist, in which case I do not want to do anything. So I want to either test to see that the directory does not exist, or suppress the "File exists" error that mkdir throws when it tries to create an existing directory.
...
Is there a way to access method arguments in Ruby?
...ating the name of the parameter and whether it is required.
e.g.
If you do
def foo(x, y)
end
then
method(:foo).parameters # => [[:req, :x], [:req, :y]]
You can use the special variable __method__ to get the name of the current method. So within a method the names of its parameters can be...