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How does “304 Not Modified” work exactly?
...ts something in its cache, it also stores the Last-Modified or ETag header from the server.
The browser then sends a request with the If-Modified-Since or If-None-Match header, telling the server to send a 304 if the content still has that date or ETag.
The server needs some way of calculating a d...
How to convert a Git shallow clone to a full clone?
...ote.origin.fetch "+refs/heads/*:refs/remotes/origin/*"; git fetch origin from an answer there should be the same as editting .git/config by hand
– Peter Cordes
Dec 8 '14 at 23:50
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Is it possible to specify a starting number for an ordered list?
...ay you wanted something like this:
1. Item one
2. Item two
Interruption from a <p> tag
3. Item three
4. Item four
You could set start="3" on the third li of the second ol, but now you'll need to change it every time you add an item to the first ol
Solution
First, let's clear the forma...
How to sort a List alphabetically using Object name field
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From your code, it looks like your Comparator is already parameterized with Campaign. This will only work with List<Campaign>. Also, the method you're looking for is compareTo.
if (list.size() > 0) {
Collections....
How to convert list of tuples to multiple lists?
...
From the python docs:
zip() in conjunction with the * operator can be used to unzip a list:
Specific example:
>>> zip((1,3,5),(2,4,6))
[(1, 2), (3, 4), (5, 6)]
>>> zip(*[(1, 2), (3, 4), (5, 6)])
[(1, ...
Best practices for circular shift (rotate) operations in C++
...e branch and AND aren't optimized away). Use the _rotl / _rotr intrinsics from <intrin.h> on x86 (including x86-64).
gcc for ARM uses an and r1, r1, #31 for variable-count rotates, but still does the actual rotate with a single instruction: ror r0, r0, r1. So gcc doesn't realize that rotat...
Why always ./configure; make; make install; as 3 separate steps?
Every time you compile something from source, you go through the same 3 steps:
4 Answers
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NodeJS: How to get the server's port?
...You might have seen this(bottom line), when you create directory structure from express command:
alfred@alfred-laptop:~/node$ express test4
create : test4
create : test4/app.js
create : test4/public/images
create : test4/public/javascripts
create : test4/logs
create : test4/pids
...
Is it not possible to stringify an Error using JSON.stringify?
...
JSON.stringify(err, Object.getOwnPropertyNames(err))
seems to work
[from a comment by /u/ub3rgeek on /r/javascript] and felixfbecker's comment below
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ASP.NET MVC controller actions that return JSON or partial html
...call the action method using Ajax. You could use one of the helper methods from the ViewPage such as
<%= Ajax.ActionLink("SomeActionMethod", new AjaxOptions {OnSuccess="somemethod"}) %>
SomeMethod would be a javascript method that then evaluates the Json object returned.
If you want to re...