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What are the use cases for selecting CHAR over VARCHAR in SQL?
I realize that CHAR is recommended if all my values are fixed-width. But, so what? Why not just pick VARCHAR for all text fields just to be safe.
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How to print a dictionary's key?
...no "the key". You have the keys() method, which gives you a python list of all the keys, and you have the iteritems() method, which returns key-value pairs, so
for key, value in mydic.iteritems() :
print key, value
Python 3 version:
for key, value in mydic.items() :
print (key, value)
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What are the pros and cons to keeping SQL in Stored Procs versus Code [closed]
... most of the database access is done by building the SQL inline in C# and calling to the SQL Server DB. So I'm trying to establish which, for this particular project, would be best.
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Does Notepad++ show all hidden characters?
...pad++. On newer versions you can use:
Menu View → Show Symbol → *Show All Characters`
or
Menu View → Show Symbol → Show White Space and TAB
(Thanks to bers' comment and bkaid's answers below for these updated locations.)
On older versions you can look for:
Menu View → Show all char...
When should I use Inline vs. External Javascript?
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At the time this answer was originally posted (2008), the rule was simple: All script should be external. Both for maintenance and performance.
(Why performance? Because if the code is separate, it can easier be cached by browsers.)
JavaScript doesn't belon...
How many constructor arguments is too many?
Let's say you have a class called Customer, which contains the following fields:
15 Answers
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MySql : Grant read only options?
I have a user, whom I want to grant all the READ permission on a db schema.
7 Answers
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Disabling browser caching for all browsers from ASP.NET
... are required to get different browsers to behave correctly. It would be really great to get a reference bit of code commented to indicate which works for all browsers and which is required for particular browser, including versions.
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Replace all spaces in a string with '+' [duplicate]
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@JitendraPancholi that replaces all whitespace, not just the space character. The other regex answer here is fine.
– Dagg Nabbit
Jul 16 '14 at 10:23
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Check if the number is integer
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does the tolerance-checking suggestion really work?? x <- 5-1e-8; x%%1 gives 0.9999999 (which would imply if tol==1e-5 for example) that x is not an integer.
– Ben Bolker
Jan 24 '14 at 15:34
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