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JavaScript for…in vs for
... There's always documentcloud.github.com/underscore which has _.each and a whole lot of other useful functions
– w00t
Nov 29 '11 at 11:01
...
How can I convert an image into Base64 string using JavaScript?
...we extract 2 or more canvas as a single PNG?
– techie_28
Jul 11 '16 at 11:48
162
Can you please m...
Array initializing in Scala
...ction, you can write
val list = List(1,2,3,4,5)
val arr = Array[Int](list:_*)
println(arr.mkString)
But usually the toArray method is more handy:
val list = List(1,2,3,4,5)
val arr = list.toArray
println(arr.mkString)
s...
Difference between EXISTS and IN in SQL?
...exists (select 1 from emp where salary > 1000) then 1 else 0 end as sal_over_1000
– smooth_smoothie
Aug 25 '16 at 4:17
...
How to get the difference between two arrays in JavaScript?
...not, you need to change the for loop to a for .. in loop.
function arr_diff (a1, a2) {
var a = [], diff = [];
for (var i = 0; i < a1.length; i++) {
a[a1[i]] = true;
}
for (var i = 0; i < a2.length; i++) {
if (a[a2[i]]) {
delete a[a2...
Cannot insert explicit value for identity column in table 'table' when IDENTITY_INSERT is set to OFF
...e like this so that you can specify your own identity values.
SET IDENTITY_INSERT Table1 ON
INSERT INTO Table1
/*Note the column list is REQUIRED here, not optional*/
(OperationID,
OpDescription,
FilterID)
VALUES (20,
'Hierachy Update',
...
Html table tr inside td
...ited May 12 '14 at 17:37
katalin_2003
62911 gold badge1212 silver badges2626 bronze badges
answered Jun 13 '13 at 14:00
...
How do I use boolean variables in Perl?
...n true and false, so not only does it have booleans, it has true (!0 aka PL_sv_yes) and false (!1 aka PL_sv_no). Or are you saying Perl should croak whenever something other than these two values are tested for truthness? That would be completely awful. e.g. It would prevent $x ||= $default;
...
“Conversion to Dalvik format failed with error 1” on external JAR
...buildpath that include the same package and classes.
smack.jar and android_maps_lib-1.0.2
Deleting this package from one of the JAR files solved the problem.
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NoSQL (MongoDB) vs Lucene (or Solr) as your database
...ommits. Refer to the latest document https://lucene.apache.org/solr/guide/8_5/
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