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How to get error message when ifstream open fails
...ystem call updates the global errno value, you may have issues in a multithreaded application, if another system call triggers an error between the execution of the f.open and use of errno.
On system with POSIX standard:
errno is thread-local; setting it in one thread does not affect its
va...
How do you create an asynchronous method in C#?
Every blog post I've read tells you how to consume an asynchronous method in C#, but for some odd reason never explain how to build your own asynchronous methods to consume. So I have this code right now that consumes my method:
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PHP & mySQL: Year 2038 Bug: What is it? How to solve it?
I was thinking of using TIMESTAMP to store the date+time, but I read that there is a limitation of year 2038 on it. Instead of asking my question in bulk, I preferred to break it up into small parts so that it is easy for novice users to understand as well. So my question(s):
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What kind of virtual machine is BEAM (the Erlang VM)?
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The Erlang VM runs as one OS process. By default it runs one OS thread per core to achieve maximum utilisation of the machine. The number of threads and on which cores they run can be set when the VM is started.
Erlang processes are implemented entirely by the Erlang VM and have no connect...
Token Authentication for RESTful API: should the token be periodically changed?
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Thought I'd give a Django 2.0 answer using DRY. Somebody already built this out for us, google Django OAuth ToolKit. Available with pip, pip install django-oauth-toolkit. Instructions on adding the token ViewSets with routers: https://django-oauth-toolkit.readthedocs.io/en/latest/r...
Throwing cats out of windows
...faster solution, not involving O(n^3) computations, but I'm a bit sleepy already.
edit
Oh yeah, I remember where I saw this problem before.
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f...
Which is better in python, del or delattr?
...ttr(obj, 'var', None) == ... in most cases! Slightly shorter and easier to read, I think.
– ArtOfWarfare
Apr 20 '15 at 17:53
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Pretty-Print JSON Data to a File using Python
...e data manipulation I'm trying to do, but the file is ridiculously hard to read and I can't examine it very well, making the code writing for the data manipulation part very difficult.
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Dependency injection with Jersey 2.0
...es bind do? What if I have an interface and an implementation?"
It simply reads bind( implementation ).to( contract ). You can alternative chain .in( scope ). Default scope of PerLookup. So if you want a singleton, you can
bind( implementation ).to( contract ).in( Singleton.class );
There's also a...
Iteration over std::vector: unsigned vs signed index variable
... (sizeof a / sizeof *a); i++) {
/* std::cout << a[i]; ... */
}
Read in the backward iterating answer what problem the sizeof approach can yield to, though.
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