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python's re: return True if string contains regex pattern
...ord contains bar, baz or bad." Other answers use the behavior of if - auto-converting the expression to its right to a bool. e.g. import re; rgx=re.compile(r'ba[rzd]'); rgx.search('foobar') => <re.Match object; span=(2, 5), match='bar'>, but if(rgx.search(w)): print('y') => y. Closest to...
Difference between Math.Floor() and Math.Truncate()
... Here's the reference.
For completeness, Math.Round rounds to the nearest integer. If the number is exactly midway between two integers, then it rounds towards the even one. Reference.
See also: Pax Diablo's answer. Highly recommended!
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Strip Leading and Trailing Spaces From Java String
...his string, with all leading
* and trailing {@link Character#isWhitespace(int) white space}
* removed.
* <p>
* If this {@code String} object represents an empty string,
* or if all code points in this string are
* {@link Character#isWhitespace(int) white space}, then an empty string
* i...
Can JavaScript connect with MySQL?
... there is no extra latency from passing through a MySQL Server and need to convert from JavaScript code//objects into SQL operations. If for some reason, you’d prefer it to pass through a MySQL Server (for example if you’re storing tables in InnoDB) then that can be configured.
JSDB offers a ...
TextView.setTextSize behaves abnormally - How to set text size of textview dynamically for different
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The difference here is that in the setTextSize(int size) method, the unit type by default is "sp" or "scaled pixels". This value will be a different pixel dimension for each screen density (ldpi, mdpi, hdpi).
getTextSize(), on the other hand, returns the actual pixel di...
What happens if I define a 0-size array in C/C++?
Just curious, what actually happens if I define a zero-length array int array[0]; in code? GCC doesn't complain at all.
7...
Save and load MemoryStream to/from a file
I am serializing an structure into a MemoryStream and I want to save and load the serialized structure.
9 Answers
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How do you get the index of the current iteration of a foreach loop?
...f your comments were overly aggressive and you could have presented your points with less anger and more education.
– Suncat2000
Aug 12 '16 at 19:22
7
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How do I show the value of a #define at compile-time?
...g should be treated as if it were quoted. If it did then:
#define ABC 123
int n = ABC;
would not compile.
Now consider:
#define ABC abc
#pragma message "The value of ABC is: " ABC
which is equivalent to
#pragma message "The value of ABC is: " abc
This causes a preprocessor warning because ...
How to populate/instantiate a C# array with a single value?
...populated with the default value of the type (e.g. false for bool, 0 for int, etc.).
25 Answers
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