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Find integer index of rows with NaN in pandas dataframe
...an use to index back into df, e.g.:
df['a'].ix[index[0]]
>>> 1.452354
For the integer index:
df_index = df.index.values.tolist()
[df_index.index(i) for i in index]
>>> [3, 6]
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Difference between save and saveAndFlush in Spring data jpa
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TypeError: Illegal Invocation on console.log.apply
...r is expected.
https://bugs.chromium.org/p/chromium/issues/detail?id=48662
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In Git, what is the difference between origin/master vs origin master?
...table
You can merge multiple branches...
git merge origin/master hotfix-2275 hotfix-2276 hotfix-2290
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How to use greater than operator with date?
...use backtick instead
SELECT * FROM `la_schedule` WHERE `start_date` > '2012-11-18';
SQLFiddle Demo
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Mismatch Detected for 'RuntimeLibrary'
...loaded and extracted Crypto++ in C:\cryptopp. I used Visual Studio Express 2012 to build all the projects inside (as instructed in readme), and everything was built successfully. Then I made a test project in some other folder and added cryptolib as a dependency. After that, I added the include path...
Lambda Expression and generic method
...e method in the functional interface has type parameters. See section §15.27.3 in JLS8:
A lambda expression is compatible [..] with a target type T if T is a functional interface type (§9.8) and the expression is congruent with the function type of [..] T. [..] A lambda expression is congruent...
Why does “while(true)” without “Thread.sleep” cause 100% CPU usage on Linux but not on Windows?
...s 100% and 4 cores are 400%.
With IRIX mode off, 1 fully utilized core is 25% and 4 cores are 100%.
This means that by default, top on Linux will show an infinite loop as ~100% and Windows will show it as ~25%, and it means exactly the same thing.
You can toggle IRIX mode while top is running w...
while (1) Vs. for (;;) Is there a speed difference?
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Is it considered bad practice to perform HTTP POST without entity body?
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Gerard Bosch
33211 gold badge22 silver badges1616 bronze badges
answered Nov 17 '10 at 19:35
Darrel MillerDarrel Mil...