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Why do I want to avoid non-default constructors in fragments?
... restore your bundle.
The callbacks like onCreate or onCreateView should read the parameters from the bundle - this way you are guaranteed to restore the state of the fragment correctly to the same state the fragment was initialised with (note this state can be different from the onSaveInstanceSta...
Real escape string and PDO [duplicate]
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Thanks SteD. I read that a while back but I have since heard that PDO prepare will NOT prevent against SQL injection. I'm not sure what to believe anymore. Are you certain that prepare will stop injection attacks?
– Jo...
How to override Backbone.sync?
...the format:
"create" : expected that you create the model on the server
"read" : expected that you read this model from the server and return it
"update" : expected that you update the model on the server with the argument
"delete" : expected that you delete the model from the server.
You need t...
What is the usefulness of `enable_shared_from_this`?
I ran across enable_shared_from_this while reading the Boost.Asio examples and after reading the documentation I am still lost for how this should correctly be used. Can someone please give me an example and explanation of when using this class makes sense.
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html onchange event not working
...t doesn't work. I still need to press the submit button to make it work. I read about AJAX and I am thinking to learn about this. Do I still need AJAX to make it work or is simple JavaScript enough? Please help.
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`elif` in list comprehension conditionals
...vote this answer, I want to mention this: for 1 pair of if/else is easy to read, 2 pairs: it's getting harder to understand. Don't even mention 3 pairs. If the expression needs 3 or more pairs, a dictionary or a separate function will make things easier to read and understand.
–...
Using the RUN instruction in a Dockerfile with 'source' does not work
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This is not correct even though it works. Read docs.docker.com/engine/reference/builder/#run and don't stop after the second code sample. Read the Note: that immediately follows. Because /bin/sh -c is the default shell, this "shell form" of RUN translates to RUN ["/b...
Find first element in a sequence that matches a predicate
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@fortran: next() is available since Python 2.6 You could read What's New page to quickly familiarize yourself with new features.
– jfs
Dec 16 '11 at 13:02
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What is the best practice for dealing with passwords in git repositories?
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The typical way to do this is to read the password info from a configuration file. If your configuration file is called foobar.config, then you would commit a file called foobar.config.example to the repository, containing sample data. To run your program, y...
How to assign from a function which returns more than one value?
...ionReturningTwoValues()[[2]] would be sufficient.)
See the cited r-help thread for more examples.
(2) with If the intent is merely to combine the multiple values subsequently and the return values are named then a simple alternative is to use with :
myfun <- function() list(a = 1, b = 2)
lis...