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Best Practice for Forcing Garbage Collection in C#
...cause it may create
performance issues. "
However, if you can reliably test your code to confirm that calling Collect() won't have a negative impact then go ahead...
Just try to make sure objects are cleaned up when you no longer need them. If you have custom objects, look at using the "using s...
Minimal web server using netcat
... of executing a bash
$ while true; do { echo -e 'HTTP/1.1 200 OK\r\n'; sh test; } | nc -l 8080; done
NOTE: This command was taken from: http://www.razvantudorica.com/08/web-server-in-one-line-of-bash
this executes bash script test and return the result to a browser client connecting to the serve...
How to change the Content of a with Javascript
...that back. Looks like support for .innerHTML on textarea's has improved. I tested in Chrome, Firefox and Internet Explorer, all of them cleared the textarea correctly.
Edit 2: And I just checked, if you use .val('') in jQuery, it just sets the .value property for textarea's. So .value should be fin...
Bitwise operation and usage
...
One typical usage:
| is used to set a certain bit to 1
& is used to test or clear a certain bit
Set a bit (where n is the bit number, and 0 is the least significant bit):
unsigned char a |= (1 << n);
Clear a bit:
unsigned char b &= ~(1 << n);
Toggle a bit:
unsigned char ...
Factory Pattern. When to use factory methods?
...ere are other reasons why using separate Factories can be beneficial (e.g. testability) but I find this specific use case to illustrate best how Factory classes can be useful.
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How to benchmark efficiency of PHP script
...r.
Hopefully all of the above can help show that carefully isolated 'lab' testing will not reflect the variables and problems that you will encounter in production, and that you must identify what your high level goal is and then what you can do to get there, before heading off down the micro/prema...
How do I run a Ruby file in a Rails environment?
...nvironment', __FILE__)
You can control the environment used (development/test/production) by setting the RAILS_ENV environment variable when running the script.
RAILS_ENV=production ruby script/test.rb
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Warning message: In `…` : invalid factor level, NA generated
...or numeric values)
# (as.vector can be use for objects - not tested)
fixed$Type <- as.character(fixed$Type)
fixed[1, ] <- c("lunch", 100)
# Re-factorize with the as.factor function or simple factor(fixed$Type)
fixed$Type <- as.factor(fixed$Type)
...
How do I create a Java string from the contents of a file?
...or the encodings required of all Java runtimes:
String content = readFile("test.txt", StandardCharsets.UTF_8);
The platform default is available from the Charset class itself:
String content = readFile("test.txt", Charset.defaultCharset());
Note: This answer largely replaces my Java 6 version. Th...
Difference between return and exit in Bash functions
...o "We are still here"
exitfunc
echo "We will never see this"
Output
$ ./test.sh
this is retfunc()
We are still here
this is exitfunc()
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