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SignalR: Why choose Hub vs. Persistent Connection?
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answered Feb 14 '12 at 17:10
Frank van PuffelenFrank van Puffelen
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Why were pandas merges in python faster than data.table merges in R in 2012?
...n issue in data.table when the number of unique strings (levels) is large: 10,000.
Does Rprof() reveal most of the time spent in the call sortedmatch(levels(i[[lc]]), levels(x[[rc]])? This isn't really the join itself (the algorithm), but a preliminary step.
Recent efforts have gone into allowing...
Read user input inside a loop
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107
Read from the controlling terminal device:
read input </dev/tty
more info: http://compgr...
Aligning rotated xticklabels with their respective xticks
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Why is a div with “display: table-cell;” not affected by margin?
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310
Cause
From the MDN documentation:
[The margin property] applies to all elements except ele...
How do you take a git diff file, and apply it to a local branch that is a copy of the same repositor
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How to cast int to enum in C++?
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10
MSDN: The static_cast operator can explicitly convert an integral value to an enumeration type. If the value of the integral type does not ...
Passing arguments to require (when loading module)
...477/…
– SadSeven
Jul 19 '16 at 11:10
1
So what happens if you reference the module several time...
Is there a timeout for idle PostgreSQL connections?
...HERE
current_query = '<IDLE>'
AND
now() - query_start > '00:10:00';
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Center a position:fixed element
...ion: fixed;
width: 500px;
height: 200px;
top: 50%;
left: 50%;
margin-top: -100px; /* Negative half of height. */
margin-left: -250px; /* Negative half of width. */
Or, if you don't care about centering vertically and old browsers such as IE6/7, then you can instead also add left: 0 and right: 0 to...