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Amazon S3 direct file upload from client browser - private key disclosure
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You're saying you want a "serverless" solution. But that means you have no ability to put any of "your" code in the loop. (NOTE: Once you give your code to a client, it's "their" code now.) Locking down CORS is not going to help: People can easily write a non-web-based tool (or a...
What is the lifetime of a static variable in a C++ function?
...m flow encounters the declaration and it ends at program termination. This means that the run-time must perform some book keeping in order to destruct it only if it was actually constructed.
Additionally, since the standard says that the destructors of static objects must run in the reverse order of...
What does the * * CSS selector do?
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* means apply given styles to all the elements.
* * means apply given styles to all the element's child elements.
Example:
body > * {
margin: 0;
}
This applies margin styles to all the child elements of body. Same way,...
How many concurrent requests does a single Flask process receive?
...erving a Flask application with gunicorn and 4 worker processes, does this mean that I can handle 4 concurrent requests?
4 ...
Usage of sys.stdout.flush() method
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Python's standard out is buffered (meaning that it collects some of the data "written" to standard out before it writes it to the terminal). Calling sys.stdout.flush() forces it to "flush" the buffer, meaning that it will write everything in the buffer to the ...
git - Your branch is ahead of 'origin/master' by 1 commit
...wing commit.
The message you're seeing (your branch is ahead by 1 commit) means that your local repository has one commit that hasn't been pushed yet.
In other words: add and commit are local operations, push, pull and fetch are operations that interact with a remote.
Since there seems to be an o...
How can I map True/False to 1/0 in a Pandas DataFrame?
... I've got a dataframe with a boolean column, and I can call df.my_column.mean() just fine (as you imply), but when I try: df.groupby("some_other_column").agg({"my_column":"mean"}) I get DataError: No numeric types to aggregate, so it appears they are NOT always the same. Just FYI.
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Are Duplicate HTTP Response Headers acceptable?
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@mark - "defined as a comma-separated list" here means "defined in the BNF grammar as a comma-separated list". The Cache-control fields is indeed defined like that (x#blahblah).
– Simon Mourier
Jan 24 '14 at 0:09
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Ruby on Rails form_for select field with class
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Select tag has maximun 4 agrument, and last agrument is html option, it mean you can put class, require, selection option in here.
= f.select :sms_category_id, @sms_category_collect, {}, {class: 'form-control', required: true, selected: @set}
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What are the pros and cons of the leading Java HTML parsers? [closed]
... the following parsers:
NekoHTML
JTidy
TagSoup
HtmlCleaner
It is by no means a complete summary, and it is from 2008. But you may find it helpful.
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