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How do I read the first line of a file using cat?
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10 Answers
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How to serialize an Object into a list of URL query parameters?
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106
var str = "";
for (var key in obj) {
if (str != "") {
str += "&";
}
st...
MySQL, better to insert NULL or empty string?
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221
By using NULL you can distinguish between "put no data" and "put empty data".
Some more differe...
getting date format m-d-Y H:i:s.u from milliseconds
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15 Answers
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Turn off constraints temporarily (MS SQL)
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217
You can disable FK and CHECK constraints only in SQL 2005+. See ALTER TABLE
ALTER TABLE foo NO...
Haskell: Where vs. Let
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1: The problem in the example
f :: State s a
f = State $ \x -> y
where y = ... x ...
is the parameter x. Things in the where clause can refer only to the parameters of the function f (there are none) and things in o...
How can I detect if a file is binary (non-text) in python?
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edited Nov 4 '17 at 14:18
A. Hennink
18522 silver badges1414 bronze badges
answered May 22 '...
Is there a predefined enumeration for Month in the .NET library?
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11 Answers
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Deep copy of a dict in python
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d2 = copy.deepcopy(d)
Python 2 or 3:
Python 3.2 (r32:88445, Feb 20 2011, 21:30:00) [MSC v.1500 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import copy
>>> my_dict = {'a': [1, 2, 3], 'b': [4, 5, 6]}
>>> my_copy =...
How to fallback to local stylesheet (not script) if CDN fails
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11 Answers
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