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What is the purpose of the -m switch?
...witch -m to allow modules to be located using the Python module namespace for execution as scripts. The motivating examples were standard library modules such as pdb and profile, and the Python 2.4 implementation is fine for this limited purpose.
So you can specify any module in Python's search pa...
What does a just-in-time (JIT) compiler do?
...runs after the program has started and compiles the code (usually bytecode or some kind of VM instructions) on the fly (or just-in-time, as it's called) into a form that's usually faster, typically the host CPU's native instruction set. A JIT has access to dynamic runtime information whereas a stand...
CSS/HTML: What is the correct way to make text italic?
What is the correct way to make text italic? I have seen the following four approaches:
12 Answers
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Is it possible to force ignore the :hover pseudoclass for iPhone/iPad users?
...make that element ":hover", while sometimes it drifts to other elements.
For the time being, I just have a "no-touch" class at body.
<body class="yui3-skin-sam no-touch">
...
</body>
And have all CSS rules with ":hover" below ".no-touch":
.no-touch my:hover{
color: red;
}
So...
Inline code highlighting in reStructuredText
...
Having looked into this some more I stumbled upon the document reStructuredText Interpreted Text Roles. From this document:
Interpreted text uses backquotes (`) around the text. An explicit role marker may optionally appear before or after the text, deli...
twitter bootstrap navbar fixed top overlapping site
...ss you add padding to the top of the <body>. Try out your own values or use our snippet below. Tip: By default, the navbar is 50px high.
body { padding-top: 70px; }
Make sure to include this after the core Bootstrap CSS.
and in the Bootstrap 4 docs...
Fixed navbars use position: fixed, mean...
PG::ConnectionBad - could not connect to server: Connection refused
...PID).
To fix it remove/rename the PID file. Find the postgres data directory. On macOS using homebrew it is in /usr/local/var/postgres/,
or /usr/local/var/log/ other systems it might be /usr/var/postgres/.
To make sure this is the problem, look at the log file (server.log). On the last lines you ...
What's the difference between isset() and array_key_exists()? [duplicate]
... // false
array_key_exists('key2', $a); // true
There is another important difference: isset doesn't complain when $a does not exist, while array_key_exists does.
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What's the correct way to convert bytes to a hex string in Python 3?
What's the correct way to convert bytes to a hex string in Python 3?
9 Answers
9
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jQuery get mouse position within an element
...could click inside a div, then drag the mouse, then let up on the mouse in order to indicate how long they want something to be. (This is for a calendar control, so the user will be indicating the length, in time, of a certain event)
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