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Regex to replace multiple spaces with a single space
... just replace \s\s+ with ' ':
string = string.replace(/\s\s+/g, ' ');
If you really want to cover only spaces (and thus not tabs, newlines, etc), do so:
string = string.replace(/ +/g, ' ');
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Calendar date to yyyy-MM-dd format in java
...yesterday’s” date. Creating string output lacking any time zone or offset information is creating ambiguity. You asked for YYYY-MM-DD output so I provided, but I don't recommend it. Instead of ISO_LOCAL_DATE I would have used ISO_DATE to get this output: 2014-02-25+05:30
ZoneId zoneId = ZoneId....
MVVM: Tutorial from start to finish?
I'm a C#/Windows Forms programmer with more than 5 years experience. I've been investigating WPF using the MVVM (Model-View-ViewModel) design pattern. I have searched the Internet for tutorials. I have even watched the entirety of Jason Dolinger's awesome video. Although I have found many, I have no...
MongoDB vs. Cassandra [closed]
...er regular writes
Both databases perform well on reads where the hot data set fits in memory. Both also emphasize join-less data models (and encourage denormalization instead), and both provide indexes on documents or rows, although MongoDB's indexes are currently more flexible.
Cassandra's stora...
How do I find all of the symlinks in a directory tree?
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
Executing command line programs from within python [duplicate]
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This whole setup seems a little unstable to me.
Talk to the ffmpegx folks about having a GUI front-end over a command-line backend. It doesn't seem to bother them.
Indeed, I submit that a GUI (or web) front-end over a command-line back...
C#: Difference between List and Collection (CA1002, Do not expose generic lists) [duplicate]
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Collection exposes some virtual members (insert, remove, set, clear) that you can override and provide additional functionality (such as notification events) when the collection is changed.
You may not need this now, but it is a common requirement for classes that contain collect...
How to disable manual input for JQuery UI Datepicker field? [duplicate]
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When you make the input, set it to be readonly.
<input type="text" name="datepicker" id="datepicker" readonly="readonly" />
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How should one use std::optional?
...ally present in the XML document. Especially when the data can have a "not set" state, versus an "empty" and a "set" state (fuzzy logic). With an optional, set and not set is clear, also empty would be clear with the value of 0 or null.
This can show how the value of "not set" is not equivalent to ...
Python str vs unicode types
...hold Unicode strings. Is there any special reason apart from being able to set Unicode codes in unicode strings using the escape char \ ?:
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