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How do you check in python whether a string contains only numbers?
...s, negatives numbers, etc.. All the examples before will be wrong.
Until now I got something like this, but I think it could be a lot better:
'95.95'.replace('.','',1).isdigit()
will return true only if there is one or no '.' in the string of digits.
'9.5.9.5'.replace('.','',1).isdigit()
wil...
nodejs how to read keystrokes from stdin
...And i am pretty sure openStdin() has either been removed or is deprecated. Now, you can access stdin as process.stdin
– Élektra
May 5 '15 at 14:49
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The case against checked exceptions
For a number of years now I have been unable to get a decent answer to the following question: why are some developers so against checked exceptions? I have had numerous conversations, read things on blogs, read what Bruce Eckel had to say (the first person I saw speak out against them).
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Problems with pip install numpy - RuntimeError: Broken toolchain: cannot link a simple C program
...talling a gem
Ruby Gem install Json fails on Mavericks and Xcode 5.1 - unknown argument: '-multiply_definedsuppress'
This is only a temporary fix, at some point the compiler options will have to be fixed
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SOAP vs REST (differences)
...llowed.
A REST client is more like a browser. It's a generic client that knows how to use a protocol and standardized methods, and an application has to fit inside that. You don't violate the protocol standards by creating extra methods, you leverage on the standard methods and create the actions w...
In Android, how do I set margins in dp programmatically?
...arams. If you use relative layout, import LinearLayout.LayoutParams , etc.
Now, if you set the margin using Layout_marginLeft, Right, etc, you need to update margin in this way
layoutParams.setMargins(left, top, right, bottom);
If you set margin using the new layout_marginStart, you need to update ...
Why is division in Ruby returning an integer instead of decimal value?
... I've built a prime number generator in Ruby in order to learn the syntax, now I'm optimizing it to learn what works best. Here's the benchmark I put together: require 'base64';require 'zlib';puts Zlib.inflate(Base64.decode64("eJxlkMEOwiAQRO98hekFuGzxQEwPXvwR01ZqiYHqBk2Tln8XDlWgnDbM25nJonq9NaoD7ZTtR...
Difference between “include” and “require” in php
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poor user2069222, now he left SO :'(
– Gagantous
Feb 3 '19 at 5:53
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Pretty Printing a pandas dataframe
... want an inbuilt function to dump your data into some github markdown, you now have one. Take a look at to_markdown:
df = pd.DataFrame({"A": [1, 2, 3], "B": [1, 2, 3]}, index=['a', 'a', 'b'])
print(df.to_markdown())
| | A | B |
|:---|----:|----:|
| a | 1 | 1 |
| a | 2 | 2 |
| b...
ImportError: No module named matplotlib.pyplot
...u can write in cmd this line within quotes: "python .\get-pip.py"
Step 3: Now in cmd type: pip install matplotlib
And you should be through.
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