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How to filter Pandas dataframe using 'in' and 'not in' like in SQL
...False
2 False False
3 False True
From this, to retain rows where at least one column is True, we can use any along the first axis:
df2[['A', 'B']].isin(c1).any(axis=1)
0 True
1 False
2 False
3 True
dtype: bool
df2[df2[['A', 'B']].isin(c1).any(axis=1)]
A B C
0 x w 0
3...
parseInt vs unary plus, when to use which?
...ns will fail since the x and e are treated as non-numerical components (at least on base10).
The unary + will convert them properly though.
parseInt('2e3',10) === 2; //true. This is supposed to be 2000
+'2e3' === 2000; //true. This one's correct.
parseInt("0xf", 10) === 0; //true. ...
How to align content of a div to the bottom
...inal problem, #header-content should really be a p element, or at the very least a span
– Josh Burgess
Feb 11 '14 at 21:18
2
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Why should I not wrap every block in “try”-“catch”?
...error? Crashing the the absolutely last thing you want to do, at the very least try to give the user some small window of code that will let them save work even if the rest of the application cannot be accessed.
– Kendall Helmstetter Gelner
Apr 29 '10 at 15:08...
mailto link with HTML body
...th outlook, not using html but you can format the text with line breaks at least when the body is added as output.
<a href="mailto:email@address.com?subject=Hello world&body=Line one%0DLine two">Email me</a>
...
Warn user before leaving web page with unsaved changes
...lement it yourself - it's not what you want to hear tho so sorry. ( But at least you won't get any surprises like I did using jQuery areYouSure.) Plus who knows maybe you could even make it open source and your implementation would be shared with others ;)
– Mark
...
Link to “pin it” on pinterest without generating a button
...r on these tags that opens a new window with appropriate dimensions, or at least adding target="_blank" to the tag to make it open clicks in a new window.
The tag syntax would look like:
<a href="http://pinterest.com/pin/create/button/?url={URI-encoded URL of the page to pin}&media={URI-enc...
Get all attributes of an element using jQuery
...
attributes is not an Array though... in Chrome at least it's a NamedNodeMap, which is an Object.
– Samuel Edwin Ward
Oct 25 '15 at 21:55
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How can I scroll a web page using selenium webdriver in python?
...ad more" button using ActionChains, then apply Cuong Tran's solution... at least that's what worked for me.
– Mwspencer
Jan 23 '18 at 21:37
...
Specify JDK for Maven to use
...dering why they can't change it: JAVA_HOME can be set for Maven (on Mac at least) in this file: /private/etc/mavenrc - And that can use something like (note the backticks not single quotes!): export JAVA_HOME=`/usr/libexec/java_home -v 1.7.0_75`
– RedYeti
Mar...