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How to iterate over the files of a certain directory, in Java? [duplicate]
...ectoryListing) {
// Do something with child
}
} else {
// Handle the case where dir is not really a directory.
// Checking dir.isDirectory() above would not be sufficient
// to avoid race conditions with another process that deletes
// directories.
}
...
How to remove all rows in a numpy.ndarray that contain non-numeric values
...lly, I'm doing some data analysis. I read in a dataset as a numpy.ndarray and some of the values are missing (either by just not being there, being NaN , or by being a string written " NA ").
...
Difference between modes a, a+, w, w+, and r+ in built-in open function?
...tion, what is the exact difference between the modes w , a , w+ , a+ , and r+ ?
6 Answers
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Single vs double quotes in JSON
...ou for this confirmation. Apparently I'm the only one importing str(dict), and doesn't want to eval it. A simple .replace("'", '"') should do the trick.
– isaaclw
Dec 13 '12 at 22:16
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How to convert CFStringRef to NSString?
...
NSString and CFStringRef are "Toll free bridged", meaning that you can simply typecast between them.
For example:
CFStringRef aCFString = (CFStringRef)aNSString;
works perfectly and transparently. Likewise:
NSString *aNSString = ...
Post data to JsonP
...y works because you're allowed to insert <script> tags into the DOM, and they can point anywhere.
You can, of course, make a page on another domain the action of a regular form POST.
Edit: There are some interesting hacks out there if you're willing to go to a lot of effort inserting hidden ...
How to check all checkboxes using jQuery?
... work good but in my app i have one fake check. when i refresh page ctrl+r and click on checkbox checkAll he dont check me all. After that i must check again to be successfull. So i need 2x click on checkAll whay that dont work on single click(one)? I copy paste that code and make function checkAll(...
How to read a file without newlines?
...
You can read the whole file and split lines using str.splitlines:
temp = file.read().splitlines()
Or you can strip the newline by hand:
temp = [line[:-1] for line in file]
Note: this last solution only works if the file ends with a newline, otherw...
Downloading a file from spring controllers
...ated within the code, which I thought would be a combination of freemarker and a PDF generation framework like iText. Any better way?
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Inserting code in this LaTeX document with indentation
...
For two column article, it does not handle the margins well.
– Sazzad Hissain Khan
Nov 12 '19 at 13:40
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