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How do I use JDK 7 on Mac OSX?
... With Java 7 r21, I see /Library/Java/JavaVirtualMachines/jdk1.7.0_21.jdk/. The Java Control Panel is now accessed through System Preferences (OSX 10.8.3)
– Sofi Software LLC
May 28 '13 at 17:59
...
Preventing scroll bars from being hidden for MacOS trackpad users in WebKit/Blink
... and
$(window).scroll
to check if the user already scrolled by himself,
_.delay()
to trigger a delay before you display the prompt -- the prompt shouldn't be to obtrusive
$('#prompt_div').fadeIn('slow')
to fade in your prompt and of course
$('#prompt_div').fadeOut('slow')
to fade out when the u...
Spark java.lang.OutOfMemoryError: Java heap space
...--driver-memory 12g
--master local[*]
target/scala-2.10/simple-project_2.10-1.0.jar
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postgresql COUNT(DISTINCT …) very slow
...
You can use this:
SELECT COUNT(*) FROM (SELECT DISTINCT column_name FROM table_name) AS temp;
This is much faster than:
COUNT(DISTINCT column_name)
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warning: [options] bootstrap class path not set in conjunction with -source 1.5
...va
On UNIX systems, locate rt.jar using:
locate -r '/rt.jar$'
Set JAVA_HOME so that rt.jar is located at $JAVA_HOME/jre/lib/rt.jar, then:
javac -source 1.7 -bootclasspath "$JAVA_HOME/jre/lib/rt.jar" Main.java
Tested on Ubuntu 14.04 for Oracle Java 7 and 8.
...
Explain Morris inorder tree traversal without using stacks or recursion
...checking for pre->right != current necessary?
– No_name
Mar 12 '13 at 1:18
6
I don't see why t...
What is the best IDE to develop Android apps in? [closed]
... "Why doesn't Android see that View as a TextView? What? I renamed textview_results as textview_results_2 and it worked all of the sudden?"
– Joe Plante
Sep 26 '14 at 16:32
ad...
Converting a JS object to an array using jQuery
...r on the www i see lacks the conversion of keys.
– TD_Nijboer
Apr 9 '14 at 11:59
55
You can also ...
How do I build a numpy array from a generator?
...ess you either:
can predict how many elements it will yield when run:
my_array = numpy.empty(predict_length())
for i, el in enumerate(gimme()): my_array[i] = el
are willing to store its elements in an intermediate list :
my_array = numpy.array(list(gimme()))
can make two identical generators, ...
Using HTML5/JavaScript to generate and save a file
...le);
document.getElementById('link').href = url;
<a id="link" target="_blank" download="file.txt">Download</a>
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