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How to handle Back button with in the dialog?
...Listener() {
@Override
public boolean onKey(DialogInterface arg0, int keyCode,
KeyEvent event) {
// TODO Auto-generated method stub
if (keyCode == KeyEvent.KEYCODE_BACK) {
finish();
d...
How to get the current date and time
... From Date doc: As of JDK 1.1, the Calendar class should be used to convert between dates and time fields and the DateFormat class should be used to format and parse date strings.
– Paolo M
Aug 7 '13 at 14:06
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How to determine if an NSDate is today?
...t one of the components, you may get something like month == 3, day == 34. Converting to dates will correctly interpret this as April 3, comparing date components will not see this as the same as month == 4, day == 3.
– Sean Kladek
Mar 26 '13 at 19:22
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The way to check a HDFS directory's size?
...you will get size in GB
hdfs dfs -du PATHTODIRECTORY | awk '/^[0-9]+/ { print int($1/(1024**3)) " [GB]\t" $2 }'
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How does Hadoop process records split across block boundaries?
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Interesting question, I spent some time looking at the code for the details and here are my thoughts. The splits are handled by the client by InputFormat.getSplits, so a look at FileInputFormat gives the following info:
For...
Google App Engine: Is it possible to do a Gql LIKE query?
...out this is case-sensitive. Luckily the data in the field I'm querying is converted to lowercase prior to storing.
– Cuga
Jun 2 '11 at 3:29
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How to list out all the subviews in a uiviewcontroller in iOS?
...)self.view performSelector:@selector(recursiveDescription)]); This line prints the same result as yours!
– Hemang
May 28 '14 at 9:38
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What does “atomic” mean in programming?
...s. That means that another thread might read the value of foo, and see the intermediate state.
Making the operation atomic consists in using synchronization mechanisms in order to make sure that the operation is seen, from any other thread, as a single, atomic (i.e. not splittable in parts), opera...
What does Visual Studio mean by normalize inconsistent line endings?
...d).
If you click 'yes' these the end-of-lines in your source file will be converted to have all the same format.
This won't make any difference to the compiler (because end-of-lines count as mere whitespace), but it might make some difference to other tools (e.g. the 'diff' on your version control...
Circular list iterator in Python
...erpetuity. That documentation for cycle implies that the input iterable is converted to list before its generator starts, since iterable is only "good for one pass over the set of values".
– Jacob Krall
May 17 '16 at 2:30
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