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How to measure time in milliseconds using ANSI C?
...ng that timeval::tv_usec is always under one second, it's looping. I.e. in order to take differences of time larger than 1 sec, you should: long usec_diff = (e.tv_sec - s.tv_sec)*1000000 + (e.tv_usec - s.tv_usec);
– Alexander Malakhov
Oct 15 '12 at 4:06
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UILabel sizeToFit doesn't work with autolayout ios6
...ght constraint, it can make break the constraint to make itself smaller in order to hug the content (if you have a single line for example), but it cannot break the constraint to make it larger.
Convert a list of data frames into one data frame
...data.frame(data.table::rbindlist(listOfDataFrames)),
replications = 100, order = "relative",
columns=c('test','replications', 'elapsed','relative')
)
test replications elapsed relative
4 data.table_rbindlist 100 0.11 1.000
1 do.call ...
JavaScript and Threads
...me parameters by the URL and the iframe can communicate with his parent in order to get the result and print it back (the iframe must be in the same domain).
This example doesn't work in all browsers! iframes usually run in the same thread/process as the main page (but Firefox and Chromium seem to ...
How to determine SSL cert expiration date from a PEM encoded certificate?
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Here's my bash command line to list multiple certificates in order of their expiration, most recently expiring first.
for pem in /etc/ssl/certs/*.pem; do
printf '%s: %s\n' \
"$(date --date="$(openssl x509 -enddate -noout -in "$pem"|cut -d= -f 2)" --iso-8601)" \
"$pem"
...
How to sort with a lambda?
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Yes it should be <, for standard ascending order. I edited the answer to make it clear it was a descending sort but apparently my edit was unhelpful and got wiped!
– pancake
Jun 29 '14 at 22:15
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CSS transition shorthand with multiple properties?
...0vw;
opacity: 0;
transition-property: max-width, opacity; // relative order
transition-duration: 2s, 4s; // effects relatively ordered animation properties
transition-delay: 6s; // effects delay of all animation properties
animation-timing-function: ease;
&:hover {
max-width: 1...
How to pass a URI to an intent?
I'm trying to pass a URI-Object to my Intent in order to use that URI
in another activity...
8 Answers
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How to detect if a script is being sourced
...ipt or on the line after the shebang (which, if used, should be for ksh in order for it to work under the most circumstances).
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MySQL Cannot drop index needed in a foreign key constraint
... @RobinDeSchepper Good remark. And when using compound unique indexes, the order of the fields is not important for the unique index, but it might be important for a foreign key. A unique index on A,B can be used by a foreign key on A, but not by a foreign key on B.
– Stefan Mo...