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Could not find com.google.android.gms:play-services:3.1.59 3.2.25 4.0.30 4.1.32 4.2.40 4.2.42 4.3.23
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12 Answers
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Bootstrap Dropdown menu is not working
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18 Answers
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How can I use UIColorFromRGB in Swift?
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169
Here's a Swift version of that function (for getting a UIColor representation of a UInt value)...
How to check a string for specific characters?
...# original answer given, but less Pythonic than the above...
s.find('$')==-1 # not found
s.find('$')!=-1 # found
And so on for other characters.
... or
pattern = re.compile(r'\d\$,')
if pattern.findall(s):
print('Found')
else
print('Not found')
... or
chars = set('0123456789$,')
if an...
Close file without quitting VIM application?
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Booleans, conditional operators and autoboxing
...l() method affects the static typing of the expressions at compile time:
E1: `true ? returnsNull() : false` - boolean (auto-unboxing 2nd operand to boolean)
E2: `true ? null : false` - Boolean (autoboxing of 3rd operand to Boolean)
See Java Language Specification, section 15.25 Conditional Opera...
How to prevent browser page caching in Rails
...se.headers["Pragma"] = "no-cache"
response.headers["Expires"] = "Mon, 01 Jan 1990 00:00:00 GMT"
end
end
Rails 4 and older versions:
class ApplicationController < ActionController::Base
before_filter :set_cache_headers
private
def set_cache_headers
response.headers["Cache-Con...
How to parse a query string into a NameValueCollection in .NET
I would like to parse a string such as p1=6&p2=7&p3=8 into a NameValueCollection .
19 Answers
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how to implement regions/code collapse in javascript
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SQL standard to escape column names?
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Quotation Mark "
The SQL:1999 standard specifies that double quote (") (QUOTATION MARK) is used to delimit identifiers.
<delimited identifier> ::= <double quote> <delimited identifier body> <double quote>
Oracle, PostgreSQL...