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Why are empty strings returned in split() results?
...eturned in split() results, you may want to look at the filter function.
Example:
f = filter(None, '/segment/segment/'.split('/'))
s_all = list(f)
returns
['segment', 'segment']
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How do I break out of a loop in Scala?
...all back to using a while loop
var sum = 0
var i = 0
while (i <= 1000 && sum <= 1000) { sum += 1; i += 1 }
(2) Throw an exception.
object AllDone extends Exception { }
var sum = 0
try {
for (i <- 0 to 1000) { sum += i; if (sum>=1000) throw AllDone }
} catch {
case AllDone...
Should IBOutlets be strong or weak under ARC?
...lly be weak by default, because:
Outlets that you create to, for example, subviews of a view controller’s view or a window controller’s window, are arbitrary references between objects that do not imply ownership.
The strong outlets are frequently specified by framework classes (for ex...
How do you round a float to two decimal places in jruby
...ing for that is discussed here, it's mostly about readability. Not that we all have to follow the style guide, just giving some reasons :)
– Lucy Bain
Sep 4 '14 at 1:10
...
SQLite Concurrent Access
... possible to load an SQLite3 database into RAM to be used for all users in PHP? I'm guessing no with it being procedural
– Anon343224user
Jul 25 '13 at 19:00
1
...
How to find and return a duplicate value in array
..."C", "B", "A"]
ary.group_by{ |e| e }.select { |k, v| v.size > 1 }.map(&:first)
ary.sort.chunk{ |e| e }.select { |e, chunk| chunk.size > 1 }.map(&:first)
And a O(N^2) option (i.e. less efficient):
ary.select{ |e| ary.count(e) > 1 }.uniq
...
Select all text inside EditText when it gets focus
...ublic void onFocusChange(View v, boolean hasFocus){
if (hasFocus) && (isDummyText())
((EditText)v).selectAll();
}
});
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Parsing command-line arguments in C?
...y), which can solve more complex tasks and takes care of stuff like, for example:
-?, --help for help message, including email address
-V, --version for version information
--usage for usage message
Doing it yourself, which I don't recommend for programs that would be given to somebody else, as th...
Schema for a multilanguage database
...ed to filter the reporting date)
CREATE PROCEDURE [dbo].[sp_RPT_DATA_BadExample]
@in_mandant varchar(3)
,@in_language varchar(2)
,@in_building varchar(36)
,@in_wing varchar(36)
,@in_reportingdate varchar(50)
AS
BEGIN
DECLARE @sql varchar(MAX), @reportingdate datetime
...
How can I convert byte size into a human-readable format in Java?
...ic String humanReadableByteCountSI(long bytes) {
if (-1000 < bytes && bytes < 1000) {
return bytes + " B";
}
CharacterIterator ci = new StringCharacterIterator("kMGTPE");
while (bytes <= -999_950 || bytes >= 999_950) {
bytes /= 1000;
ci.nex...