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Delete a key from a MongoDB document using Mongoose
...e({_id: user._id}, {$unset: {field: 1 }}, callback);
And since version 2.4, if you have an instance of a model already you can do:
doc.field = undefined;
doc.save(callback);
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What is the default text size on Android?
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42
This will return default size of text on button in pixels.
Kotlin
val size = Button(this).t...
How to get the difference between two arrays of objects in JavaScript
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142
Using only native JS, something like this will work:
a = [{ value:"4a55eff3-1e0d-4a81-9105...
Generate list of all possible permutations of a string
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community wiki
4 revs, 3 users 80%alumb
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Getting the class name of an instance?
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Boris
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answered Feb 4 '09 at 12:02
sykorasykora
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Xcode without Storyboard and ARC
...add there manually.
3) Remove Main storyboard file base name from plist.
4) Change appdelegate didFinishLaunchingWithOptions file and add :
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] ;
[self.window makeKeyAndVisible];
just like :
- (BOOL)application:(UIApp...
Do any JVM's JIT compilers generate code that uses vectorized floating point instructions?
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44
So, basically, you want your code to run faster. JNI is the answer. I know you said it didn't w...
How to retrieve all keys (or values) from a std::map and put them into a vector?
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edited Aug 21 at 16:47
Srijan Chaudhary
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Way to get number of digits in an int?
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answered Aug 20 '09 at 15:04
Michael BorgwardtMichael Borgwardt
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How do I unit test web api action method when it returns IHttpActionResult?
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answered Nov 12 '13 at 18:46
Kiran ChallaKiran Challa
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