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In mocha testing while calling asynchronous function how to avoid the timeout Error: timeout of 2000
...hen Mocha doesn't receive assertion errors from a callback. This is caused by some other code swallowing the exception further up the stack. The right way of dealing with this is to fix the code and not swallow the error.
When external code swallows your errors
In case it's a library function that...
Emacs: print key binding for a command or list all key bindings
...you all bindings. C-h m (M-x describe-mode) is also handy to list bindings by mode.
You might also try C-h k (M-x describe-key) to show what command is bound to a key. For instance, on my machine save-buffers-kill-emacs isn't bound to anything, but C-h k C-x C-c tells me that C-x C-c is bound to s...
How to add target=“_blank” to JavaScript window.location?
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@BenRacicot well yes, popups are blocked by default and most people don't change that
– twinlakes
Nov 5 '15 at 0:11
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How do I auto-reload a Chrome extension I'm developing?
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Reloads all unpacked extensions using the extension's toolbar button or by browsing to "http://reload.extensions"
If you've ever developed a Chrome extension, you might have wanted to
automate the process of reloading your unpacked extension without the
need of going through the extensio...
Is there a bash command which counts files?
... I would not use ls, since it creates a child process. log* is expanded by the shell, not ls, so a simple echo would do.
– cdarke
Jul 3 '12 at 9:24
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MySQL - length() vs char_length()
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LENGTH() returns the length of the string measured in bytes.
CHAR_LENGTH() returns the length of the string measured in characters.
This is especially relevant for Unicode, in which most characters are encoded in two bytes. Or UTF-8, where the number of bytes varies. For ex...
Changing the “tick frequency” on x or y axis in matplotlib?
...al one-liner, simply get the current ticks and use it to set the new ticks by sampling every other tick.
ax.set_xticks(ax.get_xticks()[::2])
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“std::endl” vs “\n”
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The difference can be illustrated by the following:
std::cout << std::endl;
is equivalent to
std::cout << '\n' << std::flush;
So,
Use std::endl If you want to force an immediate flush to the output.
Use \n if you are worried about pe...
Having Django serve downloadable files
...h to the file (or the file itself), but the actual file serving is handled by Apache/Lighttpd. Once you've set up mod_xsendfile, integrating with your view takes a few lines of code:
from django.utils.encoding import smart_str
response = HttpResponse(mimetype='application/force-download') # mimety...
html - table row like a link
... That's pretty elegant actually. I wonder if it's considered invalid html by w3c standards.
– Mahn
Oct 6 '12 at 3:00
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