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Read entire file in Scala?
What's a simple and canonical way to read an entire file into memory in Scala? (Ideally, with control over character encoding.)
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Generate JSON string from NSDictionary in iOS
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Here are categories for NSArray and NSDictionary to make this super-easy. I've added an option for pretty-print (newlines and tabs to make easier to read).
@interface NSDictionary (BVJSONString)
-(NSString*) bv_jsonStringWithPrettyPrint:(BOOL) ...
Calculate difference between two dates (number of days)?
I see that this question has been answered for Java , JavaScript , and PHP , but not C#. So, how might one calculate the number of days between two dates in C#?
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Import text file as single character string
How do you import a plain text file as single character string in R? I think that this will probably have a very simple answer but when I tried this today I found that I couldn't find a function to do this.
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IRXmitter红外发射器扩展 · App Inventor 2 中文网
...发射器
指示设备是否具有红外发射器。返回值为true或false。如果设备没有红外发射器，所有其他功能都会导致错误。
载波频率列表
以逗号分隔的字符串形式返回支持的载波频率。只有这些频率可以分配给CarrierFrequency属性...
How does the bitwise complement operator (~ tilde) work?
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15 Answers
15
Active
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How to do case insensitive string comparison?
How do I perform case insensitive string comparison in JavaScript?
22 Answers
22
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Python - List of unique dictionaries
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The usual way to find just the common elements in a set is to use Python's set class. Just add all the elements to the set, then convert the set to a list, and bam the duplicates are gone.
The problem, of course, is that a set() can only contain hashable entries, and a dict ...
Where does the “flatmap that s***” idiomatic expression in Scala come from?
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Update multiple rows in same query using PostgreSQL
...date more than one column, it's much more generalizable:
update test as t set
column_a = c.column_a
from (values
('123', 1),
('345', 2)
) as c(column_b, column_a)
where c.column_b = t.column_b;
You can add as many columns as you like:
update test as t set
column_a = c.column_a...