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What is a race condition?
... See jakob.engbloms.se/archives/65 for an example of a program to test how oiften such things go bad... it really depends on the memory model of the machine you are running on.
– jakobengblom2
Oct 12 '08 at 19:54
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Print string and variable contents on the same line in R
... get null on the end if you put the cat inside of a print like: print(cat("test", var)) which should be cat("test", var)
– Spidfire
Jun 16 '16 at 14:36
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What's the recommended approach to resetting migration history using Django South?
...jango (1.1.2) which are starting to consume quite a bit of time in my unit tests. I would like to reset the baseline and start a fresh set of migrations. I've reviewed the South documentation , done the usual Google/Stackoverflow searching (e.g. "django south (reset OR delete OR remove) migration h...
Should I use Vagrant or Docker for creating an isolated environment? [closed]
...ry easy to build your app once and deploy it anywhere - on your laptop for testing, then on different servers for live deployment, etc.
It's a common misconception that you can only use Docker on Linux. That's incorrect; you can also install Docker on Mac, and Windows. When installed on Mac, Docker...
How to commit no change and new message?
...documentation (via DavidNeiss) including after-the-fact data about passing tests or lint (via Robert Balicki).
To test git commands without generating arbitrary changes (via Vaelus).
To re-create a deleted bare repository using gitolite (via Tatsh).
To arbitrarily create a new commit, such as for re...
What is the Python 3 equivalent of “python -m SimpleHTTPServer”
... utils, 2to3 accepts stdin if the argument passed is -. Therefore, you can test without creating any files like so:
$ 2to3 - <<< "import SimpleHTTPServer"
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How do I target only Internet Explorer 10 for certain situations like Internet Explorer-specific CSS
...an be spoofed.
To target Internet Explorer 9, 10 and 11 (Note: also the latest Chrome):
@media screen and (min-width:0\0) {
/* Enter CSS here */
}
To target Internet Explorer 10:
@media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
/* IE10+ CSS here */
}
To target ...
Example of multipart/form-data
... -F "file1=@a.html" -F "file1=@a.txt" localhost:8000
You can do multiple tests with:
while true; do printf '' | nc -l localhost 8000; done
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Drawing an image from a data URL to a canvas
... use the onload handler when a data URI is involved. Based on experimental tests from this question, it is not safe to do so. The above sequence—create the image, set the onload to use the new image, and then set the src—is necessary for some browsers to surely use the results.
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Locate the nginx.conf file my nginx is actually using
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Running nginx -t through your commandline will issue out a test and append the output with the filepath to the configuration file (with either an error or success message).
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