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Differences between Oracle JDK and OpenJDK
...e Java specification passed the TCK (Java Technology Certification Kit).
Most of the vendors of JDK are written on top of OpenJDK by doing a few tweaks to [mostly to replace licensed proprietary parts / replace with more high-performance items that only work on specific OS] components without break...
iPhone Data Usage Tracking/Monitoring
...voicemail, general networking interface.
I read in Apple forum that :
The OS does not keep network statistics on a process-by-process basis. As such, there's no exact solution to this problem. You can, however, get network statistics for each network interface.
In general en0 is your Wi-Fi interfa...
What characters are forbidden in Windows and Linux directory names?
..." ? and others are forbidden, but there are a infinite number of names composed only of valid characters that are forbidden. For example, spaces and dots are valid filename characters, but names composed only of those characters are forbidden.
Windows does not distinguish between upper-case and low...
What is the difference between a symbolic link and a hard link?
... I'm sure the i-nodes depend on the particular variant of the OS; however, I believe it is usually a single i-node. The i-node has info about the file and info about where the data is stored on disk. Large files will have indirect pointers to additional tables.
–...
Single script to run in both Windows batch and Linux Bash?
Is it possible to write a single script file which executes in both Windows (treated as .bat) and Linux (via Bash)?
11 Answ...
UDP vs TCP, how much faster is it? [closed]
For general protocol message exchange, which can tolerate some packet loss. How much more efficient is UDP over TCP?
15 An...
Android AsyncTask threads limits?
...me user logs in to the system, I also use database in the phone. For all those operations (updates, retrieving data from db and etc.) I use async tasks. As up till now I didn't see why I shouldn't use them, but recently I experienced that if I do some operations some of my async tasks simply stop on...
How to check command line parameter in “.bat” file?
My OS is Windows Vista. I need to have a ".bat" file where I need to check if user enters any command-line parameter or not. If does then if the parameter equals to -b then I will do something otherwise I will flag "Invalid input". If user does not enter any command-line parameter then I will d...
PHP & mySQL: Year 2038 Bug: What is it? How to solve it?
...one, so your application will have to know which timezone was used.
Other Possible solutions described on Wikipedia
Wait for MySQL devs to fix this bug reported over a decade ago.
Are there any possible alternatives to using it, which do not pose a similar problem?
Try wherever possible to use ...
How do I parse command line arguments in Bash?
...etopt[s])
Usage demo-space-separated.sh -e conf -s /etc -l /usr/lib /etc/hosts
cat >/tmp/demo-space-separated.sh <<'EOF'
#!/bin/bash
POSITIONAL=()
while [[ $# -gt 0 ]]
do
key="$1"
case $key in
-e|--extension)
EXTENSION="$2"
shift # past argument
shift # past value
...
