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Error java.lang.OutOfMemoryError: GC overhead limit exceeded
...
In my application (reading a large Excel file in Talend) this did not work and from other users explanation I understand why. This just disables the error but the problem persists and your application will just spend most of its time handling GC. Our server had pl...
Generate JSON string from NSDictionary in iOS
... it works for both NSArray and NSDictionary. No need to write two separate files/interfaces. And it should return nil in case of error.
– Abdullah Umer
Jul 14 '14 at 4:55
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How to run cron once, daily at 10pm
...ing from terminal -type:
zee$ crontab -e
what you will add to crontab file:
0 22 * * 0 some-user /opt/somescript/to/run.sh
What it means:
[
+ user => 'some-user',
+ minute => ‘0’, <<= on top of the hour.
+ hour => '22', <<= at 10 PM....
Installing Bower on Ubuntu
...and below, but as ours are location in nodejs we will get an error No such file or directory.
$ /usr/bin/env node
We can manually fix this by creating a symlink.
$ sudo ln -s /usr/bin/nodejs /usr/bin/node
Now check Node.js is installed correctly by using.
$ /usr/bin/env node
>
Some users...
What is the difference between functional and non functional requirement? [closed]
... a certain condition is met (e.g. an order is placed, a customer signs up, etc).
A related non-functional requirement for the system may be:
Emails should be sent with a latency of no greater than 12 hours from such an activity.
The functional requirement is describing the behavior of the sys...
Why are joins bad when considering scalability?
...s certainly not just to store structured data (you could do that with flat file constructs like csv or xml). A few of the options I listed will even let you completely build your join in advance, so the results are already done before you issue the query — just as if you had denormalized the data ...
How to convert a string from uppercase to lowercase in Bash? [duplicate]
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Yes...Am trying to do the same logic in ant build.xml file.Trying to convert a string from uppercase to lowercase.How do I achievce that.Tried scriptdef pattern and others and it dint work..
– raga
Jul 9 '12 at 10:15
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If a DOM Element is removed, are its listeners also removed from memory?
...t('div');
var b = document.createElement('p');
// Add event listeners to b etc...
a.appendChild(b);
a.removeChild(b);
b = null;
// A reference to 'b' no longer exists
// Therefore the element and any event listeners attached to it are removed.
However; if there are references that still point to...
How to exit from PostgreSQL command line utility: psql
...curiosity:
Ctrl+D - this sends the EOF character. EOF stands for "end of file". In this concrete case it exits from the psql subprogram, as the shell is waiting for user input. This should not be 'the way to go' as it is not working if:
any other character is entered before - try entering some w...
How do you parse and process HTML/XML in PHP?
...ample can be found at A simple program to CRUD node and node values of xml file and there is lots of additional examples in the PHP Manual.
3rd Party Libraries (libxml based)
If you prefer to use a 3rd-party lib, I'd suggest using a lib that actually uses DOM/libxml underneath instead of string ...