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What's the difference between VARCHAR and CHAR?
...edited Mar 24 '18 at 17:11
MrGeek
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answered Dec 11 '09 at 3:34
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Loop through an array of strings in Bash?
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You can use it like this:
## declare an array variable
declare -a arr=("element1" "element2" "element3")
## now loop through the above array
for i in "${arr[@]}"
do
echo "$i"
# or do whatever with individual element of the array
done
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Retrieving Property name from lambda expression
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I recently did a very similar thing to make a type safe OnPropertyChanged method.
Here's a method that'll return the PropertyInfo object for the expression. It throws an exception if the expression is not a property.
public PropertyInfo GetPropertyInfo<TSource,...
How to format a Java string with leading zero?
...lp of a library:
("00000000" + "Apple").substring("Apple".length())
(Works, as long as your String isn't longer than 8 chars.)
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Difference between database and schema
...ains the data and log files, and all the schemas within it. You always back up a database, it is a discrete unit on its own.
Schemas are like folders within a database, and are mainly used to group logical objects together, which leads to ease of setting permissions by schema.
EDIT for additional q...
Removing a model in rails (reverse of “rails g model Title…”)
How can I completely remove this model? Thanks
5 Answers
5
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Output to the same line overwriting previous output?
I am writing an FTP downloader. Part of to the code is something like this:
8 Answers
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How can I pass a parameter to a setTimeout() callback?
I have some JavaScript code that looks like:
28 Answers
28
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Passing an integer by reference in Python
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It doesn't quite work that way in Python. Python passes references to objects. Inside your function you have an object -- You're free to mutate that object (if possible). However, integers are immutable. One workaround is to pass the integer in ...
What's the common practice for enums in Python? [duplicate]
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Van GaleVan Gale
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