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Spark java.lang.OutOfMemoryError: Java heap space
... automatically.
Similar to above but shuffle memory fraction. If your job doesn't need much shuffle memory then set it to a lower value (this might cause your shuffles to spill to disk which can have catastrophic impact on speed). Sometimes when it's a shuffle operation that's OOMing you need to d...
Run an untrusted C program in a sandbox in Linux that prevents it from opening files, forking, etc.?
...nchronized with the host system.
chroot() only protects the filesystem. It does not prevent a malicious program from opening network sockets or a badly-written one from sucking up every available resource.
The resource usage problem is common among all alternatives. Filesystem quotas will prevent ...
NULL vs nil in Objective-C
...e of context in observeValueForKeyPath:ofObject:change:context: is void *, doesn't that mean that the data passed as the context could be an object pointer? I would think that to be a common case. That's why I'm confused as to why the docs always use NULL instead of nil.
– erik...
Is there a way to suppress JSHint warning for one given line?
...ff for a block of code. For example, I am using some third party code that does not use camel case functions, yet my JSHint rules require it, which led to a warning. To silence it, I wrote:
/*jshint -W106 */
save_state(id);
/*jshint +W106 */
...
How to use SVN, Branch? Tag? Trunk?
...ny documentation such as help files which might be integral to the program does, and it's a useful place to put developer documentation.
We even put Windows executables for our production releases in there, to provide a single location for people looking for software -- our Linux releases go to a s...
is of a type that is invalid for use as a key column in an index
...
@mrmillsy The declared maximum size does not include the overhead (which is 2 bytes, not 4) and the overhead bytes are not included in the limit on maximum index row size. technet.microsoft.com/en-us/library/ms176089(v=sql.100).aspx
– Dani...
Difference in months between two dates
... you may move the method CompareDates wherever you see fit. Also note, it doesn't matter which date comes before the other.
public struct DateTimeSpan
{
public int Years { get; }
public int Months { get; }
public int Days { get; }
public int Hours { get; }
public int Minutes { ...
How to change ViewPager's page?
...
This does not work I just get an error saying that the fragment has already been added.
– BlondeSwan
Dec 19 '19 at 22:07
...
How can I make a JUnit Test wait?
...ally waiting for a particular condition or state to occur. Thread.sleep() does not guarantee that whatever you're waiting for has actually happened.
If you are waiting on a rest request for example maybe it usually return in 5 seconds, but if you set your sleep for 5 seconds the day your request...
How to get an IFrame to be responsive in iOS Safari?
...tally scrolling content with in that iframe. That's why the above approach does not work in this case, because the designed responsiveness has been broken and you need to scroll around to see the full content, even in places were by design you normally would not need to.
– Idra...