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How do I convert a dictionary to a JSON String in C#?
...izing several different classes, or more complex data structures, or especially if your data contains string values, you would be better off using a reputable JSON library that already knows how to handle things like escape characters and line breaks. Json.NET is a popular option.
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MySQL: What's the difference between float and double?
...| double | decimal |
+-------------------+------------+-----+
|2.5999999046325684 | 2.6 | 2.60000 |
1.3 float MULTIPLIED by 1.3 of different types:
| float | double | decimal |
+--------------------+--------------------+--------------+
| 1.6899998760223411 | 1.690...
Whitespace Matching Regex - Java
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Yeah, you need to grab the result of matcher.replaceAll():
String result = matcher.replaceAll(" ");
System.out.println(result);
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Elegant way to combine multiple collections of elements?
...pe List<List<int>> , I could use SelectMany to combine them all into one collection.
11 Answers
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Python element-wise tuple operations like sum
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Using all built-ins..
tuple(map(sum, zip(a, b)))
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What's the difference between size_t and int in C++?
...ndly Wikipedia:
The stdlib.h and stddef.h header files define a datatype called size_t which is used to represent the size of an object. Library functions that take sizes expect them to be of type size_t, and the sizeof operator evaluates to size_t.
The actual type of size_t is platform-dependent; ...
One DbContext per web request… why?
...the DbContext caches data, it gets stale pretty soon. This will get you in all sorts of trouble when multiple users/applications work on that database simultaneously (which is very common of course). But I expect you already know that and just want to know why not to just inject a new instance (i.e....
How can you make a custom keyboard in Android?
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First of all you will need a keyboard.xml file which will be placed in the res/xml folder (if the folder does not exist, created it).
<?xml version="1.0" encoding="utf-8"?>
<Keyboard xmlns:android="http://schemas.android.com...
Installing SciPy with pip
It is possible to install NumPy with pip using pip install numpy .
15 Answers
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Why is HttpClient BaseAddress not working?
...se class of my RestClient, it was almost invisible and got no attention at all, and I never saw the full url in at my breakpoints etc.
– ProfK
Dec 13 '16 at 14:32
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