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Does Java SE 8 have Pairs or Tuples?
...c, and it wouldn't have satisfied many of the use cases we are envisioning now. Consider that if Pair had been added in the JDK 1.0 time frame, it probably would have been mutable! (Look at java.util.Date.) Would people have been happy with that? My guess is that if there were a Pair class in Java, ...
Add all files to a commit except a single file?
...ms. If you use main/* it is necessary to add -- in front of it to let git know that it is a path. The other two variants work without including the two dashes. (Tested in command prompt on Windows 7 with msysGit)
– dennisschagt
Nov 8 '14 at 14:06
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Pandas: Setting no. of max rows
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+1 for the pd.describe_option('display'), I did not know all the options
– nom-mon-ir
May 8 '13 at 19:08
41
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FileSystemWatcher Changed event is raised twice
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I am afraid that this is a well-known bug/feature of the FileSystemWatcher class. This is from the documentation of the class:
You may notice in certain situations that a single creation event generates multiple Created events that are handled by your co...
Writing data into CSV file in C#
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Y'all be happy to know I've update the answer to do things the right way
– Johan
Aug 14 '17 at 8:50
3
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MySQL SELECT only not null values
...uld use IS NOT NULL. (The comparison operators = and <> both give UNKNOWN with NULL on either side of the expression.)
SELECT *
FROM table
WHERE YourColumn IS NOT NULL;
Just for completeness I'll mention that in MySQL you can also negate the null safe equality operator but this is not sta...
How to compare two revisions in Bitbucket?
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Bitbucket supports comparing tags now.
https://bitbucket.org/<OWNER>/<PROJECT>/branches/compare/<tag1>%0D<tag2>
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improve thi...
Change IPython/Jupyter notebook working directory
...esn't work please try working from the earlier version. Very conveniently, now "Start in:" can be empty in my tests with 4.1.1 and later. Perhaps they read this entry on SO and liked it, so long upvotes, nobody needs this anymore :)
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How do I change selected value of select2 dropdown with JqGrid?
...irst I initialize select2 on my select:
$('#my-best-friend').select2();
Now I manually select Bob in the browser. Next Bob does something naughty and I don't like him anymore. So the system unselects Bob for me:
$('#my-best-friend').val('').trigger('change');
Or say I make the system select th...
When can I use a forward declaration?
...he compiler's position: when you forward declare a type, all the compiler knows is that this type exists; it knows nothing about its size, members, or methods. This is why it's called an incomplete type. Therefore, you cannot use the type to declare a member, or a base class, since the compiler woul...