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.c vs .cc vs. .cpp vs .hpp vs .h vs .cxx [duplicate]
... have the necessary cpp wrappers or namespace and then include the .h in order to expose a c library to both c and c++.
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How to check if array is empty or does not exist? [duplicate]
... out that my original answer, more than anything else, addressed the wrong order of the conditions being evaluated in the question. In this sense, it fails to address several scenarios, such as null values, other types of objects with a length property, etc. It is also not very idiomatic JavaScript....
Is SQL syntax case sensitive?
...ive (default). You have to make a case-insensitive file-system on Linux in order for mysql case-insensitivity to work the same way as on windows (=properly). Especially turning it on/off after some work in one another mode can bear bad consequences.
– Stefan Steiger
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How can I add an empty directory to a Git repository?
...irectory
*
# Except this file
!.gitignore
Then you don't have to get the order right the way that you have to do in m104's solution.
This also gives the benefit that files in that directory won't show up as "untracked" when you do a git status.
Making @GreenAsJade's comment persistent:
I thi...
Deleting queues in RabbitMQ
...s, then you can reset via commandline by running the following commands in order:
WARNING: In addition to the queues, this will also remove any users and vhosts, you have configured on your RabbitMQ server; and will delete any persistent messages
rabbitmqctl stop_app
rabbitmqctl reset
rabbitmq...
DataTrigger where value is NOT null?
...neric and use ConverterParameter to pass in a value to compare against (in order to support both comparing to NOT null and NOT 3.
– J c
Dec 10 '08 at 16:56
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Convert a JSON string to object in Java ME?
...ou have many JSON parsers for Java:
JSONObject.java
A JSONObject is an unordered collection of name/value pairs. Its external form is a string wrapped in curly braces with colons between the names and values, and commas between the values and names. The internal form is an object having get() and...
What are the underlying data structures used for Redis?
...ess just the top or bottom items, or when N is small.
Sets
Sets are an unordered data collection, so they are good every time you have a collection of items and it is very important to check for existence or size of the collection in a very fast way. Another cool thing about sets is support for pe...
How to pass a view's onClick event to its parent on Android?
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I think you need to use one of those methods in order to be able to intercept the event before it gets sent to the appropriate components:
Activity.dispatchTouchEvent(MotionEvent) - This allows your Activity to intercept all touch events before they are dispatched to the ...
How do I implement onchange of with jQuery?
....log("someattr: " + dataAttribute );
});
I recommend use this keyword in order to get access to the entire element so your are able do everything you need with this element.
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