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Detect if value is number in MySQL
... * 1) = col1
It doesn't work for non-standard numbers like
1e4
1.2e5
123. (trailing decimal)
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How do you specify a different port number in SQL Management Studio?
...am trying to connect to a Microsoft SQL 2005 server which is not on port 1433. How do I indicate a different port number when connecting to the server using SQL Management Studio?
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How can I brew link a specific version?
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311
The usage info:
Usage: brew switch <formula> <version>
Example:
brew switch my...
Flatten an Array of Arrays in Swift
...
Swift >= 3.0
reduce:
let numbers = [[1,2,3],[4],[5,6,7,8,9]]
let reduced = numbers.reduce([], +)
flatMap:
let numbers = [[1,2,3],[4],[5,6,7,8,9]]
let flattened = numbers.flatMap { $0 }
joined:
let numbers = [[1,2,3],[4],[5,6,7...
Convert a byte array to integer in Java and vice versa
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235
Use the classes found in the java.nio namespace, in particular, the ByteBuffer. It can do all ...
Reset keys of array elements in php?
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Riz-waan
54322 silver badges1212 bronze badges
answered May 8 '12 at 5:09
deceze♦deceze
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Cast Object to Generic Type for returning
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3 Answers
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Flatten nested dictionaries, compressing keys
...;> flatten({'a': 1, 'c': {'a': 2, 'b': {'x': 5, 'y' : 10}}, 'd': [1, 2, 3]})
{'a': 1, 'c_a': 2, 'c_b_x': 5, 'd': [1, 2, 3], 'c_b_y': 10}
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add a string prefix to each value in a string column using Pandas
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236
df['col'] = 'str' + df['col'].astype(str)
Example:
>>> df = pd.DataFrame({'col':['a...
Rename Pandas DataFrame Index
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243
The rename method takes a dictionary for the index which applies to index values.
You want to re...