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How to count items in a Go map?
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Use len(m). From http://golang.org/ref/spec#Length_and_capacity
len(s) string type string length in bytes
[n]T, *[n]T array length (== n)
[]T slice length
map[K]T map length (number of defined keys)
c...
Unknown file type MIME?
...own data. RFC-2046 defines only known types but RFC-7231 tells you how to handle unknown types.
– Sampo Sarrala - codidact.org
Feb 22 '15 at 17:31
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What does PorterDuff.Mode mean in android graphics.What does it do?
I would like to know what PorterDuff.Mode means in android graphics.
2 Answers
2
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Add to Array jQuery
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+1 for explaining both JavaScript and jQuery's method and their fundamental difference. I came here for $.add() and got just a little bit more.
– Sam
Feb 1 '14 at 0:21
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MSTest copy file to test run folder
I've got a test which requires an XML file to be read in and then parsed. How can I have this file copied into the test run folder each time?
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What does “#pragma comment” mean?
...atures. For example, (I believe) Microsoft started the "#pragma once" deal and it was only in MS products, now I'm not so sure.
Pragma Directives It includes "#pragma comment" in the table you'll see.
HTH
I suspect GCC, for example, has their own set of #pragma's.
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Android: how to draw a border to a LinearLayout
I have three files. The XML, the draw function and the main Activity.
I have some LinearLayout in my XML file.
2 Answers
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Select2 dropdown but allow new values by user?
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For version 4+ check this answer below by Kevin Brown
In Select2 3.5.2 and below, you can use something like:
$(selector).select2({
minimumInputLength:1,
"ajax": {
data:function (term, page) {
return { term:term, page:page };
},
dataType:"json",
quietMillis:100,
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MongoDB - Update objects in a document's array (nested updating)
...rue);
For your question #2, the answer is easier. To increment the total and the price of item_three in any document that contains "my_item_three," you can use the $inc operator on multiple fields at the same time. Something like:
db.bar.update( {"items.item_name" : {$ne : "my_item_three" }} ,
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How do I reference an existing branch from an issue in GitHub?
Let's say I have a branch named feature/1 . And also issue #1. I want to link that branch to that issue.
5 Answers
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