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How to print the values of slices
... a slice in the same format that you'd use to type it in (something like ["one", "two", "three"]), here's a code example showing how to do that:
package main
import (
"fmt"
"strings"
)
func main() {
test := []string{"one", "two", "three"} // The slice of data
semiformat := fmt....
Is there a way to pass optional parameters to a function?
...rry
Second, you can supply a default parameter value of some value like None which a caller would never use. If the parameter has this default value, you know the caller did not specify the parameter. If the parameter has a non-default value, you know it came from the caller.
...
C# LINQ find duplicates in List
... value, and then pick a representative of the group if there are more than one element in the group. In LINQ, this translates to:
var query = lst.GroupBy(x => x)
.Where(g => g.Count() > 1)
.Select(y => y.Key)
.ToList();
If you want to know how...
Increase modal size for Twitter Bootstrap
... Just to clarify, if you only want to set the size of a specific modal, one can do this: #modal_ID .modal-dialog { width: 800px }
– Greg A
Jun 22 '17...
How to make a query with group_concat in sql server [duplicate]
... know that in sql server we cannot use Group_concat function but here is one issue i have in which i need to Group_Concat my query.I google it found some logic but not able to correct it.My sql query is
...
Detecting programming language from a snippet
... "Hello"
Let me find the code.
I couldn't find the code so I made a new one. It's a bit simplistic but it works for my tests. Currently if you feed it much more Python code than Ruby code it's likely to say that this code:
def foo
puts "hi"
end
is Python code (although it really is Ruby). T...
#1071 - Specified key was too long; max key length is 767 bytes
...cter it would be three bytes resulting in max index prefix length of 254.
One option you have is to just place lower limit on your VARCHAR fields.
Another option (according to the response to this issue) is to get the subset of the column rather than the entire amount, i.e.:
ALTER TABLE `mytable`...
virtualenvwrapper and Python 3
...
You can make virtualenvwrapper use a custom Python binary instead of the one virtualenvwrapper is run with. To do that you need to use VIRTUALENV_PYTHON variable which is utilized by virtualenv:
$ export VIRTUALENV_PYTHON=/usr/bin/python3
$ mkvirtualenv -a myproject myenv
Running virtualenv with ...
What are the respective advantages/limitations of Amazon RDS vs. EC2 with MySQL? [closed]
...
One thing that's important to know about the 4 hour maintenance window is that your server is not down for 4 hours a week! That's just when they'll do maintenance IF there is maintenance to be done. I've had RDS servers runni...
Java logical operator short-circuiting
...when used as logical operators, always evaluate both sides.
There is only one case of short-circuiting for each operator, and they are:
false && ... - it is not necessary to know what the right-hand side is because the result can only be false regardless of the value there
true || ... - i...