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Why are dates calculated from January 1st, 1970?
...ing is standard.
Two Dozen Epochs
Time in computing is not always tracked from the beginning of 1970 UTC. While that epoch reference is popular, various computing environments over the decades have used at least nearly two dozen epochs. Some are from other centuries. They range from year 0 (zero) t...
How to handle back button in activity
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Yes, does anyone know how to do it from a fragment
– James Wierzba
Dec 6 '15 at 3:01
3
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PDOException SQLSTATE[HY000] [2002] No such file or directory
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Laravel 4: Change "host" in the app/config/database.php file from "localhost" to "127.0.0.1"
Laravel 5+: Change "DB_HOST" in the .env file from "localhost" to "127.0.0.1"
I had the exact same problem. None of the above solutions worked for me. I solved the problem by changing the "hos...
How to kill all processes with a given partial name? [closed]
...
If you need more flexibility in selecting the processes use
for KILLPID in `ps ax | grep 'my_pattern' | awk ' { print $1;}'`; do
kill -9 $KILLPID;
done
You can use grep -e etc.
...
Match two strings in one line with grep
...o:
grep 'string1' filename | grep 'string2'
which will pipe the results from the first command into the second grep. That should give you only lines that match both.
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Re-sign IPA (iPhone)
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@ValerioSantinelli You'll need to carry over entitlements from the previous code signing. FWIW push notifications will not work without entitlements. After unzipping: /usr/bin/codesign -d --entitlements :entitlements.plist /Payload/appname.app Then during the resigning add --entitle...
What is that “total” in the very first line after ls -l? [closed]
...ern storage device.
Why so confusing?
This number is fairly detached from any physical or meaningful metric. Many junior programmers haven't had experience with file holes or hard/sym links. In addition, the documentation available on this specific topic is virtually non-existent.
The disjo...
How to read a file without newlines?
...r example:
Reading file one row at the time. Removing unwanted chars with from end of the string str.rstrip(chars)
with open(filename, 'r') as fileobj:
for row in fileobj:
print( row.rstrip('\n') )
see also str.strip([chars]) and str.lstrip([chars])
(python >= 2.0)
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Where are Docker images stored on the host machine?
... is still running in a VM, the system paths are relative to the VM and not from the Mac Osx system. Try this command : docker run --rm -it -v /:/vm-root alpine:edge ls -l /vm-root nad after this : docker run --rm -it -v /:/vm-root alpine:edge ls -l /vm-root/var/lib/docker You are available to lis...
What is bootstrapping?
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"Bootstrapping" comes from the term "pulling yourself up by your own bootstraps." That much you can get from Wikipedia.
In computing, a bootstrap loader is the first piece of code that runs when a machine starts, and is responsible for loading th...