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What are bitwise operators?
I'm someone who writes code just for fun and haven't really delved into it in either an academic or professional setting, so stuff like these bitwise operators really escapes me.
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C++ const map element access
...ut_of_range exception. (This is similar to the behaviour of at() for deque and vector.)
Because of this behaviour it makes sense for there to be a const overload of at(), unlike operator[] which always has the potential to change the map.
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How to get the current time in milliseconds from C in Linux?
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(intmax_t)s, ms);
}
If your goal is to measure elapsed time, and your system supports the "monotonic clock" option, then you should consider using CLOCK_MONOTONIC instead of CLOCK_REALTIME.
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json.dumps vs flask.jsonify
I am not sure I understand the purpose of the flask.jsonify method. I try to make a JSON string from this:
5 Answers
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gitignore without binary files
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This solution works like a charm! I don't understand why by unignore all dirs "!*/", it can also unignore subdir's files with an extension? (e.g. aaa/bbb.c) but still ignore subdir's file without extensions. (e.g. aaa/ccc)
– dragonxlwang
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How to change href of tag on button click through javascript
...; return false;">jhhghj</a>
Or return false in your f1 function and:
<a href="#" onclick="return f1();">jhhghj</a>
....or, the unobtrusive way:
<a href="#" id="abc">jhg</a>
<a href="#" id="myLink">jhhghj</a>
<script type="text/javascript">
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Commenting multiple lines in DOS batch file
... DOS Batch file. To test this batch file I need to execute some lines only and want to hide/comment out remaining.
7 Answer...
How to handle dependency injection in a WPF/MVVM application
I am starting a new desktop application and I want to build it using MVVM and WPF.
9 Answers
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SQL (MySQL) vs NoSQL (CouchDB) [closed]
... must store a lot of data. Just for example it will store lots about users and then things like a lot of their messages, comments etc. I have always used MySQL before but now I am minded to try something new like couchdb or similar which is not SQL.
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How can I return an empty IEnumerable?
Given the following code and the suggestions given in this question , I've decided to modify this original method and ask if there are any values in the IEnumarable return it, if not return an IEnumerable with no values.
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