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Count occurrences of a char in plain text file
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If all you need to do is count the number of lines containing your character, this will work:
grep -c 'f' myfile
However, it counts multiple occurrences of 'f' on the same line as a single match.
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Android -Starting Service at Boot Time
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The link to the article is dead but the sample code is all you need anyway, so +1 :)
– Alex
Jan 3 '14 at 9:50
3
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Why can I change value of a constant in javascript
...se I thought that idea of the constant is that it can not be changed. Basically a programmer has trust that no matter what will happen, nothing can change the value inside of my constant.
– Salvador Dali
May 2 '14 at 20:39
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How do I draw a grid onto a plot in Python?
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Actually it should work. At least, it works for me - setting mpl.rcParams['grid.linestyle'] = "-" does produce a plot with solid grid lines. What is your grid.linestyle?
– Andrey Sobolev
Feb...
Change navbar color in Twitter Bootstrap
...lor: $colHighlight;
background-color: $bgHighlight; }}}
}
And finally, a little gift
I've just made a script which will allow you to generate your theme:
TWBSColor - Generate your own Bootstrap navbar
[Update]: TWBSColor now generates SCSS/SASS/Less/CSS code.
[Update]: From now, you can...
Difference between Python datetime vs time modules
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the time module is principally for working with unix time stamps; expressed as a floating point number taken to be seconds since the unix epoch. the datetime module can support many of the same operations, but provides a more object oriented set of t...
How to squash all git commits into one?
...ew repository with current state of the working copy. If you want to keep all the commit messages you could first do git log > original.log and then edit that for your initial commit message in the new repository:
rm -rf .git
git init
git add .
git commit
or
git log > original.log
# edit ...
How to convert a ruby hash object to JSON?
... the possibility to extend existing classes with your own methods. That's called "class reopening" or monkey-patching (the meaning of the latter can vary, though).
So, take a look here:
car = {:make => "bmw", :year => "2003"}
# => {:make=>"bmw", :year=>"2003"}
car.to_json
# NoMethod...
Difference between == and === in JavaScript [duplicate]
...esponding positions.
Two numbers are strictly equal when they are numerically equal (have
the same number value). NaN is not
equal to anything, including NaN.
Positive and negative zeros are equal
to one another.
Two Boolean operands are strictly equal if both are true or
both are fals...
How to fight tons of unresolved variables warning in Webstorm?
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All other answers are incorrect for the general case. What if you don't get data as a parameter? You don't have JSDoc then:
function niceApiCall(parameters) {
const result = await ... // HTTP call to the API here
for (c...