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How to convert hashmap to JSON object in Java
...re is how you use it:
Gson gson = new Gson();
String json = gson.toJson(myObject);
Gson will automatically convert collections to JSON arrays. Gson can serialize private fields and automatically ignores transient fields.
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How to get the last character of a string in a shell?
...won't work in standard Bourne shell as dash, etc... Which was the point of my answer.
– phep
Oct 25 '18 at 8:16
1
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How do I read and parse an XML file in C#?
...r LINQ? Personally I found this method to be the most simple, at least for my needs.
– Kolors
Jan 22 '13 at 19:34
6
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How to make a window always stay on top in .Net?
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I was searching to make my WinForms application "Always on Top" but setting "TopMost" did not do anything for me. I knew it was possible because WinAmp does this (along with a host of other applications).
What I did was make a call to "user32.dll."...
How can I trim leading and trailing white space?
... function (x) gsub("^\\s+|\\s+$", "", x)
To use one of these functions on myDummy$country:
myDummy$country <- trim(myDummy$country)
To 'show' the white space you could use:
paste(myDummy$country)
which will show you the strings surrounded by quotation marks (") making white spaces easier to...
Using CSS in Laravel views?
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Where i place my css,js file? either on public/css or resources/assets/css
– Naveen DA
Jul 26 '17 at 9:25
add a co...
getting the ng-object selected with ng-change
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If I set my model as item, how do I preselect a value?
– Patrick
Jan 17 '13 at 19:57
5
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How do I find the width & height of a terminal window?
... belongs on either the unix or superuser SE sites.
– mydoghasworms
Aug 18 '14 at 5:32
3
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Remove columns from dataframe where ALL values are NA
...'m having trouble with a data frame and couldn't really resolve that issue myself:
The dataframe has arbitrary properties as columns and each row represents one data set .
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Can I query MongoDB ObjectId by date?
...d
}
/* Find all documents created after midnight on May 25th, 1980 */
db.mycollection.find({ _id: { $gt: objectIdWithTimestamp('1980/05/25') } });
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