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How do I clone a generic List in Java?
...his will work fine for Strings (which is what the question asked for), but it is worth noting that ArrayList.clone will perform a shallow copy, so if there were mutable objects in the list, they will not be cloned (and changing one in one list will change that one in the other list as well.
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How can I autoformat/indent C code in vim?
... to the top of the file, = is a command to fix the indentation and G tells it to perform the operation to the end of the file.
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What is DOCTYPE?
...irks mode.
The kicker here is, that quirks mode in Internet Explorer is quite different from quirks mode in Firefox (and other browsers); meaning that you'll have a much harder job, trying to ensure your page renders consistently with all browsers if the quirks mode is triggered, than you will if i...
Nullable type issue with ?: Conditional Operator
... has been asked a bunch of times already. The compiler is telling you that it doesn't know how convert null into a DateTime.
The solution is simple:
DateTime? foo;
foo = true ? (DateTime?)null : new DateTime(0);
Note that Nullable<DateTime> can be written DateTime? which will save you a bu...
What is the best way to compare floats for almost-equality in Python?
It's well known that comparing floats for equality is a little fiddly due to rounding and precision issues.
15 Answers
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How to use unicode characters in Windows command line?
...t in Team Foundation Server (TFS) that has a non-English character (š) in it. When trying to script a few build-related things we've stumbled upon a problem - we can't pass the š letter to the command-line tools. The command prompt or what not else messes it up, and the tf.exe utility can't fi...
How to filter specific apps for ACTION_SEND intent (and set a different text for each app)
...answers given. Hopefully someone can help. I would like to provide the ability to share within an app. Following Android Dev Alexander Lucas' advice , I'd prefer to do it using intents and not using the Facebook/Twitter APIs.
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Dynamic array in C#
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edited May 8 '15 at 23:16
John Saunders
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Set value for particular cell in pandas DataFrame using index
...0), is far and away faster than the options I've suggested below. However, it has been slated for deprecation.
Going forward, the recommended method is .iat/.at.
Why df.xs('C')['x']=10 does not work:
df.xs('C') by default, returns a new dataframe with a copy of the data, so
df.xs('C')['x']=10...
Set line spacing
How can I set line spacing with CSS, like we can set it in MS Word?
9 Answers
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