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Difference between volatile and synchronized in Java
...t's only written from a single point). Another example would be a volatile array reference backing a copy-on-write list, provided the array was only read by first taking a local copy of the reference to it.
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How to remove a field completely from a MongoDB document?
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Addition to this, if tags is an array then it would be like this: db.example.update({},{ $unset: {'tags.$[].words':1}},false, true)
– Manan Shah
Dec 21 '18 at 6:34
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static files with express.js
...ry. To disable this set false or to supply a new index pass a string or an array in preferred order.
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How do I change the color of the text in a UIPickerView under iOS 7?
...cause I am using two components it is necessary to pull from two different arrays.
- (UIView *)pickerView:(UIPickerView *)pickerView viewForRow:(NSInteger)row forComponent:(NSInteger)component reusingView:(UIView *)view{
UILabel *label = [[UILabel alloc] init];
label.backgroundColor = [UIC...
Check if application is installed - Android
...some virtual spaces. They can violate the Android API and always return an array, even if there is no application with that package name.
In this case, use getPackageInfo.
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Output first 100 characters in a string
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Slicing of arrays is done with [first:last+1].
One trick I tend to use a lot of is to indicate extra information with ellipses. So, if your field is one hundred characters, I would use:
if len(s) <= 100:
print s
else:
print...
Losing scope when using ng-include
...meCtrl scope:
To store what the user typed into HomeCtrl's $scope.lines array, I suggest you pass the value to the addLine function:
<form ng-submit="addLine(lineText)">
In addition, since lineText is owned by the ngInclude scope/partial, I feel it should be responsible for clearing it:...
UIButton: set image for selected-highlighted state
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The array version didn't work for me. (at least during setImage)
– huggie
Apr 25 '16 at 7:46
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Example images for code and mark-up Q&As [closed]
...l List<BufferedImage> SPRITES =
Collections.unmodifiableList(Arrays.asList(GOLD_QUEEN, SILVER_QUEEN,
GOLD_KING, SILVER_KING,
GOLD_ROOK, SILVER_ROOK,
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Test if a vector contains a given element
...ly preferable sometimes for it gives you all the matching positions (as an array), unlike match. Although this was perhaps not what the OP asked for, unlike stackoverflow.com/questions/1169388/…
– SX welcomes ageist gossip
Feb 7 '15 at 16:27
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