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Python: Why is functools.partial necessary?
...bdas?
Not much in terms of extra functionality (but, see later) – and, readability is in the eye of the beholder.
Most people who are familiar with functional programming languages (those in the Lisp/Scheme families in particular) appear to like lambda just fine – I say "most", definitely not ...
How do you reverse a string in place in JavaScript?
...id the `????` symbol go? Whoops!
If you’re wondering why this happens, read up on JavaScript’s internal character encoding. (TL;DR: ???? is an astral symbol, and JavaScript exposes it as two separate code units.)
But there’s more:
// To see which symbols are being used here, check:
// http...
Linux, Why can't I write even though I have group permissions?
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sudo chmod 474 /foobar/test_file //owner and others get only read,
//group gets rwx
sudo groupadd www-data //create group called www-data
groups //take a look at the grou...
Commands executed from vim are not recognizing bash command aliases
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I know this question was already previously "answered", but I have a problem with the answer. The shell doesn't need to be set to interactive in Vim. See this thread for an alternative answer without having to exit an interactive shell.
If you want...
nginx - client_max_body_size has no effect
...s. In my case, I changed the setting in php.ini's File_Uploads section to read:
upload_max_filesize = 200M
Note: if you are managing an ISPconfig 3 setup (my setup is on CentOS 6.3, as per The Perfect Server), you will need to manage these entries in several separate files. If your configurati...
Timer & TimerTask versus Thread + sleep in Java
...ge of TimerTask is that it expresses your intention much better (i.e. code readability), and it already has the cancel() feature implemented.
Note that it can be written in a shorter form as well as your own example:
Timer uploadCheckerTimer = new Timer(true);
uploadCheckerTimer.scheduleAtFixedRat...
How can I prevent the backspace key from navigating back?
...ar d = $(event.srcElement || event.target);
var disabled = d.prop("readonly") || d.prop("disabled");
if (!disabled) {
if (d[0].isContentEditable) {
doPrevent = false;
} else if (d.is("input")) {
var type = d.attr("type");
...
How to obtain the number of CPUs/cores in Linux from the command line?
...lines starting with "processor" in /proc/cpuinfo
For systems with hyper-threading, you can use
grep ^cpu\\scores /proc/cpuinfo | uniq | awk '{print $4}'
which should return (for example) 8 (whereas the command above would return 16)
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Makefile variable as prerequisite
...oo bar
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other-thing-that-needs-ENV: bar baz bono
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You can read about the different functions/variables used here and $() is just a way to explicitly state that we're comparing against "nothing".
share
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Difference between await and ContinueWith
... following example. I'm trying to use TPL for the first time and have been reading all the documentation, but don't understand the difference.
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