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How to run cron once, daily at 10pm
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Remember to check the system's date, it happened to me to set crontab to start a job at 22, but it actually started at 23 because the system was UTC (so 22 for the system was 23 for me in GMT).
– nnsense
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Determine if the device is a smartphone or tablet? [duplicate]
... file (as res/values-sw600dp/attrs.xml):
<resources>
<bool name="isTablet">true</bool>
</resources>
Because the sw600dp qualifier is only valid for platforms above android 3.2. If you want to make sure this technique works on all platforms (before 3.2), create the same...
variable === undefined vs. typeof variable === “undefined”
... "foo is not defined".
For local variables (which you know are declared somewhere), no such error would occur, hence the identity check.
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How can I get a side-by-side diff when I do “git diff”?
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Although Git has an internal implementation of diff, you can set up an external tool instead.
There are two different ways to specify an external diff tool:
setting the GIT_EXTERNAL_DIFF and the GIT_DIFF_OPTS environment variables.
configuring the externa...
Measure elapsed time in Swift
How can we measure the time elapsed for running a function in Swift? I am trying to display the elapsed time like this: "Elapsed time is .05 seconds". Saw that in Java , we can use System.nanoTime(), is there any equivalent methods are available in Swift to accomplish this?
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How to order citations by appearance using BibTeX?
...t (link) tool to design your own bibliography style
And my personal recommendation:
Use the biblatex package (link). It's the most complete and flexible bibliography tool in the LaTeX world.
Using biblatex, you'd write something like
\documentclass[12pt]{article}
\usepackage[sorting=none]{bib...
Environment variables for java installation
How to set the environment variables for Java in Windows (the classpath)?
14 Answers
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How to enter in a Docker container already running with a new TTY
... shell in order to "poke around" inside it and examine the files. At the moment, if I attach to the container, I am left looking at the Apache daemon and cannot run any commands.
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What is a faster alternative to Python's http.server (or SimpleHTTPServer)?
...r --silent Silent mode won't log to the console
-h or --help Displays help message and exits
So to serve the current directory on port 8000, type:
http-server -p 8000
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