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Load and execute external js file in node.js with access to local variables?
... scope.
Instead the suggest method is to export your functions/variables.
If you want the MVC pattern take a look at Geddy.
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indexOf method in an object array?
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It's not supported by IE8 but, if that's not a problem, this is the best solution.
– Antonio Laguna
Nov 22 '13 at 11:56
64
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difference between foldLeft and reduceLeft in Scala
I have learned the basic difference between foldLeft and reduceLeft
7 Answers
7
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Change type of varchar field to integer: “cannot be cast automatically to type integer”
...ting integer or assign a varchar field to an integer one), so you must specify an explicit cast using ALTER TABLE ... ALTER COLUMN ... TYPE ... USING:
ALTER TABLE the_table ALTER COLUMN col_name TYPE integer USING (col_name::integer);
Note that you may have whitespace in your text fields; in that...
Changing Font Size For UITableView Section Headers
...:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section
In Swift:
func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView?
Try something like this:
In Objective-C:
- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)s...
instanceof Vs getClass( )
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The reason that the performance of instanceof and getClass() == ... is different is that they are doing different things.
instanceof tests whether the object reference on the left-hand side (LHS) is an instance of the type on the right-hand side (RHS) or some subtype.
getClass() == ... tests wh...
What is an alternative to execfile in Python 3?
...e wrong order. It's actually: exec(object[, globals[, locals]]). Of course if you had the arguments flipped in the original, then 2to3 will produce exactly what you said. :)
– Nathan Shively-Sanders
May 21 '09 at 20:27
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Case insensitive comparison of strings in shell script
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if you have bash
str1="MATCH"
str2="match"
shopt -s nocasematch
case "$str1" in
$str2 ) echo "match";;
*) echo "no match";;
esac
otherwise, you should tell us what shell you are using.
alternative, using awk
str1="MATC...
Count how many files in directory PHP
...eople are saying this is confusing for some developers, should we add that if one is using namespaces (since this method requires a recent version of PHP in any case), then one must also specify the namespace: $fi = new \FilesystemIterator(DIR, \FilesystemIterator::SKIP_DOTS);
–...
Delete everything in a MongoDB database
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Use with caution: if you're in a sharded environment using wiredTiger and you have no user database and you invoke dropDatabase, the database will be deleted and could re-appear as primary on a different shard when new records are added.
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