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java.lang.OutOfMemoryError: Java heap space
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If you want to increase your heap space, you can use java -Xms<initial heap size> -Xmx<maximum heap size> on the command line. By default, the values are based on the JRE version and system configuration. You can find out more about the VM options on the Java website.
However, I ...
Create a new cmd.exe window from within another cmd.exe prompt
...ication and when my build completes successfully and executes (using exec) it launches it within the CruiseControl DOS prompt. I am just using simple batch files to launch my app but having it run within the same prompt as CC is causing CC to think the build continues as long as my app runs.
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How can I add a column that doesn't allow nulls in a Postgresql database?
... "NOT NULL" column to my Postgresql database using the following query (sanitized for the Internet):
8 Answers
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How can I use inverse or negative wildcards when pattern matching in a unix/linux shell?
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In Bash you can do it by enabling the extglob option, like this (replace ls with cp and add the target directory, of course)
~/foobar> shopt extglob
extglob off
~/foobar> ls
abar afoo bbar bfoo
~/foobar> ls !(b*)
-bash: !: e...
How to get the first item from an associative PHP array?
... array if you have an element inside the array:
$value = reset($array);
It also gives you FALSE in case the array is empty.
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How does Python manage int and long?
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int and long were "unified" a few versions back. Before that it was possible to overflow an int through math ops.
3.x has further advanced this by eliminating long altogether and only having int.
Python 2: sys.maxint contains the maximum value a Python int can hold.
On a 64-bit Py...
SQL WHERE ID IN (id1, id2, …, idn)
I need to write a query to retrieve a big list of ids.
9 Answers
9
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T-SQL: Selecting rows to delete via joins
...leB b
ON b.Bid = a.Bid
AND [my filter condition]
should work
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How to create directory automatically on SD card
...va.io.FileNotFoundException
However, when I put the path as "/sdcard/" it works.
15 Answers
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php - get numeric index of associative array
I have an associative array and I need to find the numeric position of a key.
I could loop through the array manually to find it, but is there a better way build into PHP?
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