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Convert floating point number to a certain precision, and then copy to string
...er.
Example:
print(f'{numvar:.9f}')
More reading about the new f string:
What's new in Python 3.6 (same link as above)
PEP official documentation
Python official documentation
Really good blog post - talks about performance too
Here is a diagram of the execution times of the various tested method...
Can a C++ enum class have methods?
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A union is not what John Doe would consider a class, too. Yet they can have member functions. And classes are really not mandatory for member functions. Using a designator like value or this, something like enum Size { Huge, Mega, Apocalyps...
Merge branch with trunk
...e branches, unless a particular release is no longer supported.
No matter what, you always have access to every revision so killing a branch is only used to prevent other developers from developing on a dead branch.
share
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Conditional Replace Pandas
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When setting values in a pandas object, care must be taken to avoid
what is called chained indexing.
You have a few alternatives:-
loc + Boolean indexing
loc may be used for setting values and supports Boolean masks:
df.loc[df['my_channel'] > 20000, 'my_channel'] = 0
mask + Boolean ...
How to find a Java Memory Leak
...erstand how I am supposed to be able to find the root reference ( ref ) or whatever it is called. Basically, I can tell that there are several hundred megabytes of hash table entries ([java.util.HashMap$Entry or something like that), but maps are used all over the place... Is there some way to searc...
Running multiple async tasks and waiting for them all to complete
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Ok. That makes sense. So what will your example do? Because you have not started them?
– Zapnologica
Aug 22 '16 at 8:24
2
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onConfigurationChanged not getting called
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@philipp What would setting the orientation to sensor achieve? Not sure how that would be helpful. Thanks for the edit though.
– nmr
Sep 28 '12 at 21:26
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Can PNG image transparency be preserved when using PHP's GDlib imagecopyresampled?
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Why do you make things so complicated? the following is what I use and so far it has done the job for me.
$im = ImageCreateFromPNG($source);
$new_im = imagecreatetruecolor($new_size[0],$new_size[1]);
imagecolortransparent($new_im, imagecolorallocate($new_im, 0, 0, 0));
imagecopyr...
Remove leading comma from a string
...; s.split("','")
[",'first string", "more", "even more'"]
This is almost what you want. Now you just have to strip the first two and the last character:
> s.slice(2, s.length-1)
"first string','more','even more"
> s.slice(2, s.length-2).split("','");
["first string", "more", "even more"]
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Twitter Bootstrap Tabs: Go to Specific Tab on Page Reload or Hyperlink
...I have five tabs on my page, and under those I have a number of bookmarks. What I would like is to make these bookmarks linkable from outside the tab.
– nize
Dec 18 '13 at 8:46
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