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Do the JSON keys have to be surrounded by quotes?
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149
Yes, you need quotation marks. This is to make it simpler and to avoid having to have another e...
Android notification is not showing
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414
The code won't work without an icon. So, add the setSmallIcon call to the builder chain like t...
How do you run JavaScript script through the Terminal?
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piperchester
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answered Dec 16 '11 at 10:47
Andrzej DoyleAndrzej Doyle
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MVC4 DataType.Date EditorFor won't display date value in Chrome, fine in Internet Explorer
...roperty with [DataType(DataType.Date)] the default template in ASP.NET MVC 4 generates an input field of type="date":
<input class="text-box single-line"
data-val="true"
data-val-date="The field EstPurchaseDate must be a date."
id="EstPurchaseDate"
name="EstPurchas...
Twitter bootstrap 3 two columns full height
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Edit:
In Bootstrap 4, native classes can produce full-height columns (DEMO) because they changed their grid system to flexbox. (Read on for Bootstrap 3)
The native Bootstrap 3.0 classes don't support the layout that you describe, however, we ...
How to check if a string contains only digits in Java [duplicate]
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347
Try
String regex = "[0-9]+";
or
String regex = "\\d+";
As per Java regular expressions, t...
How can I remove a button or make it invisible in Android?
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14 Answers
14
Active
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How do you delete a column by name in data.table?
... copy of it), Methods 1, 2a, and 2b are really the best options.
# Method 4:
df3[, .SD, .SDcols = !patterns("^foo$")]
Lastly there are approaches using with=FALSE, though data.table is gradually moving away from using this argument so it's now discouraged where you can avoid it; showing here so...