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Remove the legend on a matplotlib figure
....0rc4, a remove method has been added to the legend object.
Usage:
ax.get_legend().remove()
or
legend = ax.legend(...)
...
legend.remove()
See here for the commit where this was introduced.
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NodeJS - What does “socket hang up” actually mean?
... socket hang up] code: 'ECONNRESET' }
at ClientRequest.proxyError (your_server_code_error_handler.js:137:15)
at ClientRequest.emit (events.js:117:20)
at Socket.socketCloseListener (http.js:1526:9)
at Socket.emit (events.js:95:17)
at TCP.close (net.js:465:12)
Line http.js:1526:9...
Get User's Current Location / Coordinates
...hod you can get user's current location coordinates:
func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
guard let locValue: CLLocationCoordinate2D = manager.location?.coordinate else { return }
print("locations = \(locValue.latitude) \(locValue....
How to write :hover condition for a:before and a:after?
...
This depends on what you're actually trying to do.
If you simply wish to apply styles to a :before pseudo-element when the a element matches a pseudo-class, you need to write a:hover:before or a:visited:before instead. Notice the pseudo-element comes after ...
How do I install Maven with Yum?
...b/apache/maven/maven-3/3.0.5/binaries/apache-maven-3.0.5-bin.tar.gz
basically just go to the maven site. Find the version of maven you want. The file type and use the mirror for the wget statement above.
Afterwards the process is easy
Run the wget command from the dir you want to extract maven ...
Automatically add all files in a folder to a target using CMake?
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An alternative to manually re-running cmake is to touch the CMakeLists.txt file before running make.
– Seamus Connor
Oct 1 '15 at 16:38
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How do you use variables in a simple PostgreSQL script?
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This doesn't answer the question at all. In MS SQL you can define a var in a query and use it right there, in the same tool. I don't get why people keep proposing this as an answer, in every version of this question.
– stone
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Is it possible to have multiple statements in a python lambda expression?
...Q. Can you put multiple statements in a lambda?
A. No. But you don't actually need to use a lambda. You can put the statements in a def instead. i.e.:
def second_lowest(l):
l.sort()
return l[1]
map(second_lowest, lst)
Q. Can you get the second lowest item from a lambda by sorting the ...
How do I get jQuery to select elements with a . (period) in their ID?
... For that reason, in CSS itself, you must escape a dot in an ID, too. All jQuery is doing is requiring you to follow the rules set out by CSS.
– bdukes
Apr 6 '09 at 14:11
6
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Difference between filter and filter_by in SQLAlchemy
... filter on users.id. Instead, it will evaluate id == id as True and return all users. You need to use .filter(users.id == id) (as demoed above). I made this mistake earlier today.
– Nico Cernek
Feb 22 '19 at 23:00
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