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How to export all collections in MongoDB?

... For lazy people, use mongodump, it's faster: mongodump -d <database_name> -o <directory_backup> And to "restore/import" it (from directory_backup/dump/): mongorestore -d <database_name> <directory_backup> This way, you don't need to deal with all collections individ...
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Logging best practices [closed]

...erheads). Areas you might want to look at extending (if needed): Database trace listener Colored console trace listener MSMQ / Email / WMI trace listeners (if needed) Implement a FileSystemWatcher to call Trace.Refresh for dynamic configuration changes Other Recommendations: Use structed ...
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Adding an arbitrary line to a matplotlib plot in ipython notebook

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...
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How do I change the color of the text in a UIPickerView under iOS 7?

...spaced 35 pts apart for a picker height of 180. Swift 3: func pickerView(_ pickerView: UIPickerView, attributedTitleForRow row: Int, forComponent component: Int) -> NSAttributedString? { let string = "myString" return NSAttributedString(string: string, attributes: [NSForegroundColorAtt...
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Unique Key constraints for multiple columns in Entity Framework

... With Entity Framework 6.1, you can now do this: [Index("IX_FirstAndSecond", 1, IsUnique = true)] public int FirstColumn { get; set; } [Index("IX_FirstAndSecond", 2, IsUnique = true)] public int SecondColumn { get; set; } The second parameter in the attribute is where you can spec...
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How to set the UITableView Section title programmatically (iPhone/iPad)?

... requirement. I had a static table with static cells in my Main.storyboard(Base). To localize section titles using .string files e.g. Main.strings(German) just select the section in storyboard and note the Object ID Afterwards go to your string file, in my case Main.strings(German) and insert th...
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UnmodifiableMap (Java Collections) vs ImmutableMap (Google) [duplicate]

...ction, while UnmodifiableMap may. From the JavaDoc: An immutable, hash-based Map with reliable user-specified iteration order. Does not permit null keys or values. Unlike Collections.unmodifiableMap(java.util.Map), which is a view of a separate map which can still change, an instance of Imm...
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JavaScript chop/slice/trim off last character in string

...to conditionally remove the last four characters, only if they are exactly _bar: var re = /_bar$/; s.replace(re, ""); share | improve this answer | follow | ...
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What are deferred objects?

...e".split(" "), // Create a simple deferred (one callbacks list) /* Class: _Deferred. * methods: done, resolve, resolveWith, isResolved * internal method: cancel * * Basically allows you to attach callbacks with the done method. * Then resolve the deferred action whenever you want with an a...
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How to delete all Annotations on a MKMapView

...me with copy and paste and removing [locs release] and changing mapView to _mapView. I was following a great tutorial for MKDirections here devfright.com/mkdirections-tutorial and wanted to remove the pin after getting directions. I added the code below the last line of that method to the 'clear rou...