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How to convert a string or integer to binary in Ruby?
...ger#to_s(base) and String#to_i(base) available to you.
Integer#to_s(base) converts a decimal number to a string representing the number in the base specified:
9.to_s(2) #=> "1001"
while the reverse is obtained with String#to_i(base):
"1001".to_i(2) #=> 9
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Convert ArrayList to String[] array [duplicate]
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If you mean, it worn convert a List<Integer> to an int[] ... that is correct. It converts it to an Integer[].
– Stephen C
May 14 '15 at 9:17
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Least common multiple for 3 or more numbers
...like that:
>>> f = lambda a,b: "f(%s,%s)" % (a,b)
>>> print reduce(f, "abcd")
f(f(f(a,b),c),d)
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Strings in a DataFrame, but dtype is object
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Why do i need to convert every column i pass into scipy or sklearn astype(str) for it to accept it? seems I should be able to apply that to all columns initially.
– Tinkinc
Aug 21 '19 at 12:53
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How can I map True/False to 1/0 in a Pandas DataFrame?
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A succinct way to convert a single column of boolean values to a column of integers 1 or 0:
df["somecolumn"] = df["somecolumn"].astype(int)
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Generate random int value from 3 to 6
... maximum value, it can be generated.
SELECT @MIN+FLOOR((@MAX-@MIN+1)*RAND(CONVERT(VARBINARY,NEWID()))); --And then this T-SQL snippet generates an integer between minimum and maximum integer values.
You can change and edit this code for your needs.
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How to pass a URI to an intent?
...string
intent.putExtra("imageUri", imageUri.toString());
and then just convert the string back to uri like this
Uri myUri = Uri.parse(extras.getString("imageUri"));
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What breaking changes are introduced in C++11?
...can be one of
A sequence of chars has been accumulated in stage 2 that is converted (according to the rules of scanf) to a value of the type of val. This value is stored in val and ios_base::goodbit is stored in err.
The sequence of chars accumulated in stage 2 would have caused scanf to report an ...
Python __str__ versus __unicode__
...tted and someone calls unicode(o) or u"%s"%o, Python calls o.__str__() and converts to unicode using the system encoding. (See documentation of __unicode__().)
The opposite is not true. If you implement __unicode__() but not __str__(), then when someone calls str(o) or "%s"%o, Python returns repr...
Store boolean value in SQLite
...ad, Boolean values are stored as integers 0 (false) and 1 (true).
You can convert boolean to int in this way:
int flag = (boolValue)? 1 : 0;
You can convert int back to boolean as follows:
// Select COLUMN_NAME values from db.
// This will be integer value, you can convert this int value ba...