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How to search for occurrences of more than one space between words in a line
How to search for occurrences of more than one space between words in a line
5 Answers
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java: (String[])List.toArray() gives ClassCastException
...Or at least that's not the original reason. The toArray methods existed before the collection classes were generic.
– Stephen C
Apr 16 '11 at 23:38
10
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How to write multiple line string using Bash with variables?
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@gfpacheco You can use tee for that, like cat << EOL | sudo tee /etc/myconfig.conf
– Xin Chen
Nov 14 '16 at 22:56
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Why doesn't Java Map extend Collection?
...lections and
collections are not mappings. Thus, it
makes little sense for Map to extend
the Collection interface (or vice
versa).
If a Map is a Collection, what are the
elements? The only reasonable answer
is "Key-value pairs", but this
provides a very limited (and not
particul...
How to use RestSharp with async/await
... Task<T> overloads have an added "Task" string added to their names, for example the Task<T> overload for ExecuteAsyncGet is called ExecuteGetTaskAsync<T>. For each of the new Task<T> overloads there is one method that does not require a CancellationToken to be specified and ...
Why does scanf() need “%lf” for doubles, when printf() is okay with just “%f”?
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Because C will promote floats to doubles for functions that take variable arguments. Pointers aren't promoted to anything, so you should be using %lf, %lg or %le (or %la in C99) to read in doubles.
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How do I temporarily disable triggers in PostgreSQL?
...an use:
SET session_replication_role = replica;
This disables triggers for the current session.
To re-enable for the same session:
SET session_replication_role = DEFAULT;
Source: http://koo.fi/blog/2013/01/08/disable-postgresql-triggers-temporarily/
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What is the difference between a .xib file and a .storyboard?
...oryboard achieves two things:
.storyboard is essentially one single file for all your screens in the app and it shows the flow of the screens. You can add segues/transitions between screens, this way. So, this minimizes the boilerplate code required to manage multiple screens.
Minimizes the overal...
Custom HTTP Authorization Header
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The format defined in RFC2617 is credentials = auth-scheme #auth-param. So, in agreeing with fumanchu, I think the corrected authorization scheme would look like
Authorization: FIRE-TOKEN apikey="0PN5J17HBGZHT7JJ3X82", hash="frJ...
Remove padding or margins from Google Charts
...isted in the API documentation, you can create a lot of different styles. For instance, here is a version that removes most of the extra blank space by setting the chartArea.width to 100% and chartArea.height to 80% and moving the legend.position to bottom:
// Set chart options
var options = {'t...