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How do I strip non alphanumeric characters from a string and keep spaces?
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In this case I would use the bang method (gsub! instead of gsub) in order to clean the input permanently.
#permanently filter all non-alphanumeric characters, except _
@search_query.gsub!(/\W/,'')
This avoids a situation where @seach_query is used elsewhere in the code without cleaning it...
Access data in package subdirectory
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This will not work in case of distribution (egg etc).
– Adarsh Trivedi
May 3 '19 at 9:25
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Multiline strings in JSON
...nstead provides for their representation via escape sequences (\\, \r, \n, etc.).
– user359996
Jul 15 '16 at 19:30
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Generic type conversion FROM string
...ype(Type t, object value)
{
TypeConverter tc = TypeDescriptor.GetConverter(t);
return tc.ConvertFrom(value);
}
public static void RegisterTypeConverter<T, TC>() where TC : TypeConverter
{
TypeDescriptor.AddAttributes(typeof(T), new TypeConverterAttribu...
How can I post an array of string to ASP.NET MVC Controller without a form?
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I needed this in order for an ASP.NET MVC route to properly consume a simple js array of string values.
– BrandonG
Mar 21 '16 at 17:19
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How do I see the current encoding of a file in Sublime Text?
... 'Undefined' appears to imply: (a) the file has no BOM (byte-order mark), (b) the file contains only single-byte ASCII chars., (c) the file has not yet been saved by Sublime Text in this session. Once saved by ST , it then reports 'UTF8' until closed (on re-opening the guessing starts ...
PostgreSQL: Difference between text and varchar (character varying)
...T count(*) FROM (
SELECT substring(f,1,1) || f FROM test WHERE f<'a0' ORDER BY 1 LIMIT 80000
) t;
... And use EXPLAIN ANALYZE.
UPDATED AGAIN 2018 (pg10)
little edit to add 2018's results and reinforce recommendations.
Results in 2016 and 2018
My results, after average, in many machines...
Is there a Java equivalent or methodology for the typedef keyword in C++?
...or what you want since you can't subclass final classes (Integer, Double, etc)
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What is the proper way to format a multi-line dict in Python?
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I use #3. Same for long lists, tuples, etc. It doesn't require adding any extra spaces beyond the indentations. As always, be consistent.
mydict = {
"key1": 1,
"key2": 2,
"key3": 3,
}
mylist = [
(1, 'hello'),
(2, 'world'),
]
nested = {
a...
HTTP POST using JSON in Java
...uest);
} catch (Exception ex) {
} finally {
// @Deprecated httpClient.getConnectionManager().shutdown();
}
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