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Is file append atomic in UNIX?
...n NFS.
But assuming you write to a log file you opened in 'O_APPEND' mode and keep your lines (including newline) under 'PIPE_BUF' bytes long, you should be able to have multiple writers to a log file without any corruption issues. Any interrupts will arrive before or after the write, not in the m...
How to specify function types for void (not Void) methods in Java8?
...e Function is not appropriate in this case because it receives a parameter and has a return value. Instead you should use Consumer (formerly known as Block)
The Function type is declared as
interface Function<T,R> {
R apply(T t);
}
However, the Consumer type is compatible with that you ...
What's the difference between the various methods to get a Context?
In various bits of Android code I've seen:
8 Answers
8
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How can I return to a parent activity correctly?
I have 2 activities (A and B) in my android application and I use an intent to get from activity A to activity B. The use of parent_activity is enabled:
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what is faster: in_array or isset? [closed]
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in_array: 1.738441
This builds on Jason's benchmark by filling in some random values and occasionally finding a value that exists in the array. All random, so beware that times will fluctuate.
$a = array();
for ($i = 0; $i < 10000; ++$i) {
$v = rand(1, 1000000);
$a[$v] = $v;
}
echo "S...
How do I turn off Oracle password expiration?
...FILE "DEFAULT" LIMIT PASSWORD_VERIFY_FUNCTION NULL;
Then, reset password and unlock user account. It should never expire again:
alter user user_name identified by new_password account unlock;
share
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Python Anaconda - How to Safely Uninstall
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From the docs:
To uninstall Anaconda open a terminal window and remove the entire
anaconda install directory: rm -rf ~/anaconda. You may also edit
~/.bash_profile and remove the anaconda directory from your PATH
environment variable, and remove the hidden .condarc file and
.co...
fatal: The current branch master has no upstream branch
I'm trying to push one of my projects to github, and I keep getting this error:
22 Answers
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How to find the largest file in a directory and its subdirectories?
We're just starting a UNIX class and are learning a variety of Bash commands. Our assignment involves performing various commands on a directory that has a number of folders under it as well.
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How to add color to Github's README.md file
...file for my project underscore-cli , a pretty sweet tool for hacking JSON and JS on the command-line.
9 Answers
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