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PHP cURL not working - WAMP on Windows 7 64 bit
...n, you must make sure it's activated in php.ini. Make sure extension_diris set to the directory php_curl.dll is in:
extension_dir = "C:/whatever"
and then add
extension=php_curl.dll
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python pandas: Remove duplicates by columns A, keeping the row with the highest value in column B
...is takes the last. Not the maximum though:
In [10]: df.drop_duplicates(subset='A', keep="last")
Out[10]:
A B
1 1 20
3 2 40
4 3 10
You can do also something like:
In [12]: df.groupby('A', group_keys=False).apply(lambda x: x.loc[x.B.idxmax()])
Out[12]:
A B
A
1 1 20
2 2 ...
Why does string::compare return an int?
...
The method doesn't actually return an integer in the set { -1, 0, 1 }; it can actually be any integral value.
Why? The main reason I can think of is that int is supposed to be the "natural size" value for the architecture; operations on values of this size are typically at lea...
Python Requests throwing SSLError
...tificate.
Like @dirk mentioned in a previous comment, the quickest fix is setting verify=False:
requests.get('https://example.com', verify=False)
Please note that this will cause the certificate not to be verified. This will expose your application to security risks, such as man-in-the-middle at...
How do I iterate through the files in a directory in Java?
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Depends on your JVM's memory settings. But generally something like a few thousand. If you think you might ever run into a directory like that, then don't use recursion.
– Mike Baranczak
Jul 1 '10 at 4:06
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Custom UITableViewCell from nib in Swift
...s[indexPath.row]
return cell
}
}
The image below shows a set of constraints that work with the provided code without any constraints ambiguity message from Xcode:
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How to remove a key from a Python dictionary?
... a dictionary when the key exists
>>> import timeit
>>> setup = "d = {i: i for i in range(100000)}"
>>> timeit.timeit("del d[3]", setup=setup, number=1)
1.79e-06
>>> timeit.timeit("d.pop(3)", setup=setup, number=1)
2.09e-06
>>> timeit.timeit("d2 = {key:...
How to enable mod_rewrite for Apache 2.2
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THIS is the way to go... I had everything else set except for this.
– arrayown
Mar 16 '13 at 17:59
2
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Chrome can't load web worker
...cOS/Google\ Chrome --allow-file-access-from-files
More info : Web worker settings for chrome
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What is a NullPointerException, and how do I fix it?
...h is a reference type). Since you have not yet said what to point to, Java sets it to null, which means "I am pointing to nothing".
In the second line, the new keyword is used to instantiate (or create) an object of type Integer, and the pointer variable num is assigned to that Integer object.
The N...