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json.dumps vs flask.jsonify

...dumps() method will just return an encoded string, which would require manually adding the MIME type header. See more about the jsonify() function here for full reference. Edit: Also, I've noticed that jsonify() handles kwargs or dictionaries, while json.dumps() additionally supports lists and oth...
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is_null($x) vs $x === null in PHP [duplicate]

...someone strongly suggested that I use is_null() instead as it is specifically designed for the null-evaluation purpose. He also started talking about math or something. ...
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PHP - Move a file into a different folder on the server

I need to allow users on my website to delete their images off the server after they have uploaded them if they no longer want them. I was previously using the unlink function in PHP but have since been told that this can be quite risky and a security issue. (Previous code below:) ...
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What's Mongoose error Cast to ObjectId failed for value XXX at path “_id”?

...ng a request to /customers/41224d776a326fb40f000001 and a document with _id 41224d776a326fb40f000001 does not exist, doc is null and I'm returning a 404 : ...
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Read url to string in few lines of java code

... Just don't forget you need to call Scanner#close() later. – Marcelo Dec 21 '12 at 3:55 2 ...
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Difference between del, remove and pop on lists

...gt;>> a = [4, 5, 6] >>> a.remove(7) Traceback (most recent call last): File "<stdin>", line 1, in <module> ValueError: list.remove(x): x not in list >>> del a[7] Traceback (most recent call last): File "<stdin>", line 1, in <module> IndexError: lis...
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How to find where gem files are installed

I can finds gems that are installed using gem list , but it doesn't show me where the gems are installed. 10 Answers ...
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Numpy first occurrence of value greater than existing value

... about why it gives the correct result despite the original intent not actually seeking a maximum, not why it is faster as I cannot claim to understand the inner details of argmax. – askewchan Oct 8 '14 at 14:24 ...
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Count Rows in Doctrine QueryBuilder

... He accepted your answer so I guess all is well. I was under the impression that he only wanted a count without the overhead of actually retrieving the rows which my example shows. There is of course no reason why where conditions could not be added. ...
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How do I use Ruby for shell scripting?

...r, options) rm(list, options) rm_r(list, options) rm_rf(list, options) install(src, dest, mode = <src's>, options) chmod(mode, list, options) chmod_R(mode, list, options) chown(user, group, list, options) chown_R(user, group, list, options) touch(list, options) Which is pretty nice ...