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Difference between Document-based and Key/Value-based databases?
...plex queries, your application will have to create and maintain indexes in order to access the desired data.
Document databases support queries by key and map-reduce functions as well, but also allow you to do basic queries by value, such as "Give me all users with more than 10 posts". Document dat...
Xcode 4 and Core Data: How to enable SQL Debugging
... an argument of -com.apple.CoreData.SQLDebug and a second argument of 1 in order to see the SQL output.
– oalders
Jun 21 '11 at 16:55
...
What is the difference between `raise “foo”` and `raise Exception.new(“foo”)`?
...xception in your code, this code will not catch it:
begin
rescue
end
In order to catch the Exception you will have to do this:
begin
rescue Exception
end
This means that in a sense, an Exception is a "worse" error than a RuntimeError, because you have to do more work to recover from it.
So wh...
How to call function from another file in go language?
... running.
Run either of below two commands:
$go run test1.go test2.go. //order of file doesn't matter
$go run *.go
You should do similar thing, if you want to build them.
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How to get Latitude and Longitude of the mobile device in android?
... should also be sure to remove the updates in onPause (or where needed) in order to stop getting updates you no longer want. -> lm.removeUpdates(locationListener);
– Swifty McSwifterton
Sep 26 '13 at 6:23
...
Moving default AVD configuration folder (.android)
...ng environment variables.
The emulator searches the avd directory in the order of the values in $ANDROID_AVD_HOME, $ANDROID_SDK_HOME/.android/avd/, and $HOME/.android/avd/.
This page provides the list of environmental variables supported by android studio: https://developer.android.com/studio/com...
What are the differences between Chosen and Select2?
...h it's just a heuristic. In theory, an autoselect widget should be several orders of magnitude lower complexity than something like joyent/node. These things turn out to be highly custom, so I get the sense that people are filing pull requests, which get ignored, and then they go maintain a separate...
Rails :dependent => :destroy VS :dependent => :delete_all
...e that these are implemented as callbacks, and Rails executes callbacks in order. Therefore, other similar callbacks may affect the :dependent behavior, and the :dependent behavior may affect other callbacks.
:destroy causes all the associated objects to also be destroyed.
:delete_all causes all t...
Better way to set distance between flexbox items
...ox doesn't have collapsing margins.
Flexbox doesn't have anything akin to border-spacing for tables (except for CSS property gap which isn't supported in Safari, caniuse)
Therefore achieving what you are asking for is a bit more difficult.
In my experience, the "cleanest" way that doesn't use :firs...
What are the various “Build action” settings in Visual Studio project properties and what do they do
... you don't mind that i copied parts of your answer into Gishu's answer, in order to get a more complete reference answer.
– Ian Boyd
Feb 16 '12 at 18:54
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