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What does upstream mean in nginx?
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It's used for proxying requests to other servers.
An example from http://wiki.nginx.org/LoadBalanceExample is:
http {
upstream myproject {
server 127.0.0.1:8000 weight=3;
server 127.0.0.1:8001;
server 127.0.0.1:800...
Which is better, return “ModelAndView” or “String” on spring3 controller
The way of return ModelAndView
2 Answers
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Linq to Objects: does GroupBy preserve order of elements?
Does Enumerable.GroupBy from LINQ to Objects preserve order of elements in the groups?
1 Answer
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Unpack a list in Python?
I think 'unpack' might be the wrong vocabulary here - apologies because I'm sure this is a duplicate question.
3 Answers
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Groovy / grails how to determine a data type?
...o determine the class of an object simply call:
someObject.getClass()
You can abbreviate this to someObject.class in most cases. However, if you use this on a Map it will try to retrieve the value with key 'class'. Because of this, I always use getClass() even though it's a little longer.
If you...
Get value from NSTextField
I have an NSTextField and I need to get the field's value into a variable. What's the appropriate method?
4 Answers
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Objective-C Split()?
...any way to split strings in objective c into arrays? I mean like this - input string Yes:0:42:value into an array of (Yes,0,42,value)?
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What is a “callback” in C and how are they implemented?
From the reading that I have done, Core Audio relies heavily on callbacks (and C++, but that's another story).
9 Answers
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How to create loading dialogs in Android?
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It's a ProgressDialog, with setIndeterminate(true).
From http://developer.android.com/guide/topics/ui/dialogs.html#ProgressDialog
ProgressDialog dialog = ProgressDialog.show(MyActivity.this, "",
"Loading. Please wait...", true);
An indeterminate...
Gson ignoring map entries with value=null
How do I get it to include all entries?
1 Answer
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