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How to use PyCharm to debug Scrapy projects
...n debugger. I want to test my Scrapy spiders using it. Anyone knows how to do that please?
10 Answers
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Why is String.chars() a stream of ints in Java 8?
...sonally I think this was a very bad decision, and there should, given they do not want to make CharStream, which is reasonable, different methods instead of chars(), I would think of:
Stream<Character> chars(), that gives a stream of boxes characters, which will have some light performance p...
Running junit tests in parallel in a Maven build?
...
I would think that if your tests do any IO they would still benefit. For example, if your unit tests are more like integration tests and hit the database, running in parallel should speed them up.
– Dave
May 4 '11 at 1...
How can I get the last 7 characters of a PHP string?
...r the 2nd argument.
$newstring = substr($dynamicstring, -7);
From the php docs:
string substr ( string $string , int $start [, int $length ] )
If start is negative, the returned string will start at the start'th character from the end of string.
...
AngularJS : How to watch service variables?
...nswered Jul 9 '13 at 21:49
dtheodordtheodor
4,32211 gold badge1717 silver badges2424 bronze badges
...
Variable declaration in a C# switch statement [duplicate]
...
I believe it has to do with the overall scope of the variable, it is a block level scope that is defined at the switch level.
Personally if you are setting a value to something inside a switch in your example for it to really be of any benefit,...
Easiest way to copy a table from one database to another?
... already exists, you might add the parameters to the first mysqldump which dont let create the table-creates.
mysqldump --no-create-info --no-create-db --user=user1 --password=password1 database1 table1 \
| sed -e 's/`table1`/`table2`/' \
| mysql --user=user2 --password=password2 database2
...
Homebrew install specific version of formula?
How do I install a specific version of a formula in homebrew? For example, postgresql-8.4.4 instead of the latest 9.0.
27 ...
Navigation bar show/hide
...bar buttons. I would like to hide and show this navigation bar when a user double taps the screen.
11 Answers
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Precision String Format Specifier In Swift
... String {
return String(format: "%\(f)d", self)
}
}
extension Double {
func format(f: String) -> String {
return String(format: "%\(f)f", self)
}
}
let someInt = 4, someIntFormat = "03"
println("The integer number \(someInt) formatted with \"\(someIntFormat)\" looks ...