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Vagrant stuck connection timeout retrying
...ngvms
This will result in something like this:
"projects_1234567890" {5cxxxx-cxxx-4xxx-8xxx-5xxxxxxxxxx}
Quite often, the VM is simply waiting for you to select an option in the bootloader. You can send the appropriate keycode (in the case, Enter) to the vm with controlvm:
vboxmanage controlv...
How to limit depth for recursive file list?
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Simply tree -L 2 xxx/ or tree -L 2 -d xxx/ is enough for some case.
– Eric Wang
Feb 27 '19 at 23:02
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Convert JSON style properties names to Java CamelCase names with GSON
...t to inspect the json object for both a raw property name as well as a 'is_XXX' version.
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How can I add a vertical scrollbar to my div automatically?
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You can set :
overflow-y: scroll;height: XX px
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Mercurial for Beginners: The Definitive Practical Guide
...aking Mercurial revisions and sending them back to Subversion (no push). [XXX: Correct this if it is wrong].
The hgsubversion extension. It is in many ways the most sophisticated solution as it uses the Subversion API to communicate with the Subversion repository. It aims to become the hg-svn ...
Parse email content from quoted reply
...as solved the problem using regexes to find the "On 13 Jul 2012, at 13:09, xxx wrote:" text. However, if the user deletes this text, or replies at the bottom of the email, as many people do, this solution will not work.
Likewise if the email client uses a different date string, or doesn't include a...
How to keep onItemSelected from firing off on a newly instantiated Spinner?
...es of:
*
* Spinner spinner =
* (Spinner)findViewById(R.id.xxx);
*
* with:
*
* SpinnerHelper spinner =
* new SpinnerHelper(findViewById(R.id.xxx))
*
* SpinnerHelper proxies the (my) most used calls to Spinner
* but not all of them. Should a method ...
Multiplication on command line terminal
...he trick of interpreting '5X5'
$ function calc { bc -l <<< ${@//[xX]/*}; };
$ calc 5X5
25
$ calc 5x5
25
$ calc '5*5'
25
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What does PermGen actually stand for?
...n is used by the JVM to hold loaded classes. You can increase it using:
-XX:MaxPermSize=384m
if you're using the Sun JVM or OpenJDK.
So if you get an OutOfMemoryException: PermGen you need to either make PermGen bigger or you might be having class loader problems.
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Spark java.lang.OutOfMemoryError: Java heap space
...r lambdas. The way to diagnose is to look out for the "task serialized as XXX bytes" in the logs, if XXX is larger than a few k or more than an MB, you may have a memory leak. See https://stackoverflow.com/a/25270600/1586965
Related to above; use broadcast variables if you really do need large obje...