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How to keep index when using pandas merge
I would like to merge two DataFrames , and keep the index from the first frame as the index on the merged dataset. However, when I do the merge, the resulting DataFrame has integer index. How can I specify that I want to keep the index from the left data frame?
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Making a mocked method return an argument that was passed to it
..."anotherString",mock.myFunction("anotherString"));
}
Since Mockito 1.9.5 and Java 8, you can also use a lambda expression:
when(myMock.myFunction(anyString())).thenAnswer(i -> i.getArguments()[0]);
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Best practices for catching and re-throwing .NET exceptions
What are the best practices to consider when catching exceptions and re-throwing them? I want to make sure that the Exception object's InnerException and stack trace are preserved. Is there a difference between the following code blocks in the way they handle this?
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How to cherry pick only changes for only one file, not the whole commit
...le. So if you added a line in a commit, but previous commits changed more, and you only want to add that line without those other changes, then a checkout is not what you want.
Otherwise if you want to apply the patch introduced in a commit to only a single file, you have multiple options. You coul...
What does the * * CSS selector do?
...swapnesh it looks like a browser hack. There's a * { font-size: XXX } rule and a * * { font-size: YYY } rule. One of them applies to most browsers, and the other one applies to browsers with a certain bug, although I don't have patience to figure out the details. It's similar to the * html hack that...
How to catch curl errors in PHP
...rl_error($ch);
}
curl_close($ch);
if (isset($error_msg)) {
// TODO - Handle cURL error accordingly
}
See the description of libcurl error codes here
See the description of PHP curl_errno() function here
See the description of PHP curl_error() function here
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Renaming xcode 4 project and the actual folder
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You can do this from within Xcode without resorting to hand editing the pbxproj file in a text editor!
Here's how:
Rename your source folder in the Finder. This will break the project initially because Xcode doesn't automatically detect when the real folders that the virtual (y...
How do you clone a Git repository into a specific folder?
Executing the command git clone git@github.com:whatever creates a directory in my current folder named whatever , and drops the contents of the Git repository into that folder:
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How to set the JDK Netbeans runs on?
I have older NB6.7, NB6.9, NB7.0, which used to run on jdk1.6.0_21 and jdk1.6.0_25. Now I've removed those JDKs and only have jdk1.6.0_26 and jdk1.7.0 left, but I still want to keep the older NBs, but now when I run them, I get this message:
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Send POST data using XMLHttpRequest
...ossible to pass data "like jQuery". I mentioned how I think jQuery does it and thus, how you could achieve this.
– Dan Pantry
Apr 16 '15 at 14:33
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