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How to assign from a function which returns more than one value?
...t hand side be written using list[...] like this:
library(gsubfn) # need 0.7-0 or later
list[a, b] <- functionReturningTwoValues()
If you only need the first or second component these all work too:
list[a] <- functionReturningTwoValues()
list[a, ] <- functionReturningTwoValues()
list[,...
pip issue installing almost any library
...icate: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:600) - skipping
Could not find a version that satisfies the requirement pytest-cov (from versions: )
No matching distribution found for pytest-cov
Update April 2018:
To anyone getting the TLSV1_ALERT_PROTOCOL_VERSION error...
How to make connection to Postgres via Node.js
... executed one after another once the connection becomes available
var x = 1000;
while (x > 0) {
client.query("INSERT INTO junk(name, a_number) values('Ted',12)");
client.query("INSERT INTO junk(name, a_number) values($1, $2)", ['John', x]);
x = x - 1;
}
var query = client.query("SEL...
How can I send large messages with Kafka (over 15MB)?
I send String-messages to Kafka V. 0.8 with the Java Producer API.
If the message size is about 15 MB I get a MessageSizeTooLargeException .
I have tried to set message.max.bytes to 40 MB, but I still get the exception. Small messages worked without problems.
...
load and execute order of scripts
...
340
If you aren't dynamically loading scripts or marking them as defer or async, then scripts are lo...
How can I process each letter of text using Javascript?
...
If the order of alerts matters, use this:
for (var i = 0; i < str.length; i++) {
alert(str.charAt(i));
}
If the order of alerts doesn't matter, use this:
var i = str.length;
while (i--) {
alert(str.charAt(i));
}
var str = 'This is my string';
function matters()...
Authorative way to override onMeasure()?
...
edited Aug 14 '13 at 22:30
answered Apr 26 '12 at 18:52
Gr...
How to add dividers and spaces between items in RecyclerView?
...
October 2016 Update
The version 25.0.0 of Android Support Library introduced DividerItemDecoration class:
DividerItemDecoration is a RecyclerView.ItemDecoration that can be used as a divider between items of a LinearLayoutManager. It...
MySQL Query GROUP BY day / month / year
...
1038
GROUP BY YEAR(record_date), MONTH(record_date)
Check out the date and time functions in MySQ...