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Set a default parameter value for a JavaScript function
...ou'd get a reference error if you misspelled undefined vs. putting it in a string.
– Abe Voelker
May 21 '15 at 22:04
...
Jade: Links inside a paragraph
... "<a href='$2'>$1</a>");
return jade.compile(txt)();
};
jadestring = ""+ // p.s. I hate javascript's non-handling of multiline strings
"h1 happy days\n"+
":inline\n"+
" p this can have [a link](http://going-nowhere.com/) in it"
f = jade.compile(jadestring);
console.log(f());...
How to delete duplicates on a MySQL table?
...o = b.foo and
a.bar = b.bar
where b.myindex IS NULL;
#drop the extra column on the copied table
alter table penguins_copy drop moo;
select * from penguins_copy;
#drop the first table and put the copy table back:
drop table penguins;
create table penguins select * from penguins_copy...
Overriding superclass property with different type in Swift
...
This seems to work
class Chassis {
func description() -> String {
return "Chassis"
}
}
class RacingChassis : Chassis {
override func description() -> String {
return "Racing Chassis"
}
func racingChassisMethod() -> String {
return "Wro...
What's the scope of the “using” declaration in C++?
I'm using the 'using' declaration in C++ to add std::string and std::vector to the local namespace (to save typing unnecessary 'std::'s).
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How to store standard error in a variable
...ut for display or to be piped into another command.
It sets up a couple of extra file descriptors to manage the redirections needed in order to do this.
#!/bin/bash
exec 3>&1 4>&2 #set up extra file descriptors
error=$( { ./useless.sh | sed 's/Output/Useless/' 2>&4 1>&3...
SortedList, SortedDictionary and Dictionary
...on the Key values (defined in an IComparer). For example, if your Keys are Strings, then your Collection will by default be processed per the alphabetical order of your Keys, but you could always define a custom sorting rule.
– Ama
Feb 20 '19 at 14:44
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Why can I add named properties to an array as if it were an object?
...f
lastIndexOf
map
pop
push
reverse
shift
slice
some
sort
splice
toSource
toString
unshift
valueOf
share
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Entity Framework: “Store update, insert, or delete statement affected an unexpected number of rows (
... not sure exactly what's happening behind the scenes, but I don't have any extra code of my own that is modifying the tables. Is there a way to change this concurrency setting?
– strongopinions
Dec 4 '09 at 0:16
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Loading local JSON file
... very simplest solution for me. The JSON file looks almost the same, so no extra clutter (only a "var xyz =" on the very top of the file). Nobody wants a big data file in their code.
– cslotty
Dec 9 '17 at 8:00