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How to query SOLR for empty fields?
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Would this only work for fields of type String? How would you do it for for boolean?
– jared
Oct 4 '16 at 11:16
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pandas GroupBy columns with NaN (missing) values
...l stumbles over this--another workaround is to convert via .astype(str) to string before grouping. That will conserve the NaN's.
df = pd.DataFrame({'a': ['1', '2', '3'], 'b': ['4', np.NaN, '6']})
df['b'] = df['b'].astype(str)
df.groupby(['b']).sum()
a
b
4 1
6 3
nan 2
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resizes wrong; appears to have unremovable `min-width: min-content`
... you asking and self-answering as a new question, too. I'll try to do some extra testing this week and link to this answer if it works.
– Jordan Gray
Jun 29 '14 at 20:13
add a...
How to achieve code folding effects in Emacs?
...er way to skin the cat:
As it happens, you don’t need any package or extra configuration for
that. Just go to any source file, type
M-1 C-x $ and magic happens!
As usual, it’s white magic: C-x $ will bring your code back.
We can use Emacs’ help system to discover what’s going o...
How do you clear Apache Maven's cache?
...This answer is definitely what I was looking for (option 3) . Here is that extra parameter ::: mvn dependency:purge-local-repository -DmanualInclude="myGroupId" -DsnapshotsOnly=true -DactTransitively=false -DreResolve=false
– granadaCoder
Jan 27 '19 at 12:00
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Could not load file or assembly 'System.Net.Http.Formatting' or one of its dependencies. The system
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I found an extra
<dependentAssembly>
<assemblyIdentity name="System.Net.Http" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
<bindingRedirect oldVersion="0.0.0.0-2.2.28.0" newVersion="2.2.28.0" />
...
Android webview launches browser when calling loadurl
... @Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
view.loadUrl(url);
return true;
}
});
// Load the webpage
browser.loadUrl("http://google.com/");
}
}
...
creating a strikethrough text?
...w = (TextView) findViewById(R.id.some_text_view);
someTextView.setText(someString);
someTextView.setPaintFlags(someTextView.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
For painting text, there are several bit flags for doing things like
bold, italics, and yes strikethrough. So to enable t...
How can I print the contents of a hash in Perl?
... learn this. Of course, each should be more efficient (because there's no extra hash lookup on the key). But it's ~30% slower!
– Jonathan Graehl
Jul 22 '09 at 8:12
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How to remove unused C/C++ symbols with GCC and ld?
...ting problem, so you'll probably need to err on the side of including some extra symbols at times. Which basically is what Ira says in his comments to the question. (BTW: "not necessary to the correct operation of the program" is a different definition of "unused" than how that term is used in the...