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Do checkbox inputs only post data if they're checked?

... behaviour is the value is only sent if the checkbox is checked. This typically means you need to have a way of remembering what checkboxes you are expecting on the server side since not all the data comes back from the form. The default value is always "on", this should be consistent across browse...
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How can one print a size_t variable portably using the printf family?

...on is to cast your variables to unsigned long long and use %llu to be maximally portable. – Adam Rosenfield Apr 13 '10 at 1:52  |  show 12 mor...
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What's the “average” requests per second for a production web application?

... second vs. requests per second. I think requests/second is in that same ballpark(100 to 200) but with streaming it shoots up to 1140 records / second (doing ndjson). Anyways thought I would share more numbers. (not sure if this will change as that was tested streamed through 2 microservices into...
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Python: How to create a unique file name?

... I didn't think your question was very clear, but if all you need is a unique file name... import uuid unique_filename = str(uuid.uuid4()) share | improve this answer ...
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How do I convert array of Objects into one Object in JavaScript?

... item.value, obj) ,{}); Here we benefit from comma operator, it evaluates all expression before comma and returns a last one(after last comma). So we don't copy obj each time, rather assigning new property to it. share ...
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Can table columns with a Foreign Key be NULL?

...d Mar 2 '10 at 21:37 Daniel VassalloDaniel Vassallo 301k6666 gold badges475475 silver badges424424 bronze badges ...
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Why does Iterable not provide stream() and parallelStream() methods?

...ering why the Iterable interface does not provide the stream() and parallelStream() methods. Consider the following class: ...
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Is there a method to generate a UUID with go language

...ic range. rand.Read returns random bytes in the range 0-255, which are not all valid values for a UUID. As far as I can tell, this should be done for all the values in the slice though. If you are on linux, you can alternatively call /usr/bin/uuidgen. package main import ( "fmt" "log" ...
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Having Django serve downloadable files

..._str(file_name) response['X-Sendfile'] = smart_str(path_to_file) # It's usually a good idea to set the 'Content-Length' header too. # You can also set any other required headers: Cache-Control, etc. return response Of course, this will only work if you have control over your server, or your hostin...
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Most lightweight way to create a random string and a random hexadecimal number

...165037870407104 9.0292739868164062 5.2836320400238037 t3 only makes one call to the random module, doesn't have to build or read a list, and then does the rest with string formatting. share | impr...