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How can I reset a react component including all transitively reachable state?
...by render; when it changes, that component will be thrown away and created from scratch.
render: function() {
// ...
return <div key={uniqueId}>
{children}
</div>;
}
There's no shortcut to reset the individual component's local state.
...
jQuery get values of checked checkboxes into array
...
I was expecting true Array from $.map. Thanks for the solution, it works.
– if __name__ is None
Apr 23 '13 at 15:16
...
numpy: most efficient frequency counts for unique values in an array
... 1]])
Original answer:
you can use scipy.stats.itemfreq
>>> from scipy.stats import itemfreq
>>> x = [1,1,1,2,2,2,5,25,1,1]
>>> itemfreq(x)
/usr/local/bin/python:1: DeprecationWarning: `itemfreq` is deprecated! `itemfreq` is deprecated and will be removed in a future...
How to turn on (literally) ALL of GCC's warnings?
... false positives.
Luc Danton provided a great example of useless warnings from -Waggregate-return that almost certainly never makes sense for C++ code.
i.e. you don't really want all warnings, you just think you do.
Go through the manual, read about them, decide which you might want to enable, tr...
Why is the shovel operator (
...
First way you do it by taking a new glass, filling it halfway with water from a tap and then using this second half-full glass to refill your drinking glass. You do this every time you need to refill your glass.
The second way you take your half full glass and just refill it with water straight f...
How to serialize a TimeSpan to XML
...omFormatter does not provide methods to convert TimeSpan objects to and from XML.
12 Answers
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UITableView - change section header color
...
Hopefully this method from the UITableViewDelegate protocol will get you started:
Objective-C:
- (UIView *) tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section
{
UIView *headerView = [[[UIView alloc] initWithFrame:CGR...
Transport endpoint is not connected
...
I get this error from the sshfs command from Fedora 17 linux to debian linux on the Mindstorms EV3 brick over the LAN and through a wireless connection.
Bash command:
el@defiant /mnt $ sshfs root@192.168.13.102:/root -p 22 /mnt/ev3
fuse: ba...
Block Declaration Syntax List
...^blockName) (var_type);
Blocks as Parameters
Note that this is distinct from "Blocks as Arguments"; in this instance, you're declaring a method that wants a block argument.
- (void)yourMethod:(return_type (^)(var_type))blockName;
Blocks as Arguments
Note that this is distinct from "Blocks as ...
pyplot scatter plot marker size
...il they look reasonable.
Hope this helps!
Edit: (In response to comment from @Emma)
It's probably confusing wording on my part. The question asked about doubling the width of a circle so in the first picture for each circle (as we move from left to right) it's width is double the previous one so...