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How to rsync only a specific list of files?
...per-user only)
-D : same as --devices --specials
-q : quiet (https://serverfault.com/questions/547106/run-totally-silent-rsync)
--delete
This tells rsync to delete extraneous files from the RECEIVING SIDE (ones
that AREN’T ON THE SENDING SIDE), but only for the directori...
What are the differences between Deferred, Promise and Future in JavaScript?
...s method returns a promise of having a value at some point in the future.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise
The deferred.promise() method allows an asynchronous function to prevent other code from interfering with the progress or status of its...
What are sessions? How do they work?
...they could intercept the user's session key? Assuming the site doesn't use HTTPS, it seems like a third party could masquerade as the user with a session key even if the key is encrypted. The server would just decrypt it.
– user137717
Aug 1 '15 at 4:31
...
400 vs 422 response to POST of data
...
Case study: GitHub API
https://developer.github.com/v3/#client-errors
Maybe copying from well known APIs is a wise idea:
There are three possible types of client errors on API calls that receive request bodies:
Sending invalid JSON will r...
How do you use NSAttributedString?
...g;
- (void)addVerticalGlyph:(BOOL)glyph substring:(NSString *)substring;
https://github.com/shmidt/MASAttributes
You can install through CocoaPods also : pod 'MASAttributes', '~> 1.0.0'
share
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ActiveRecord: size vs count
...eUploader: {
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What does the restrict keyword mean in C++?
...sing rule?
Does it work for references?
According to the GCC docs it does: https://gcc.gnu.org/onlinedocs/gcc-5.1.0/gcc/Restricted-Pointers.html with syntax:
int &__restrict__ rref
There is even a version for this of member functions:
void T::fn () __restrict__
...
Change key pair for ec2 instance
...key).
If you still have SSH access, please use one of the answers below.
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-key-pairs.html#replacing-lost-key-pair
Here is what I did, thanks to Eric Hammond's blog post:
Stop the running EC2 instance
Detach its /dev/xvda1 volume (let's call ...
How does facebook, gmail send the real time notification?
...:
Project homepage: http://plugins.jquery.com/project/Comet
Google Code: https://code.google.com/archive/p/jquerycomet/ - Appears to have some sort of example usage in the subversion repository.
That said, the plugin seems to add a fair bit of complexity, it really is very simple on the client,...
Converting JSON String to Dictionary Not List
...eUploader: {
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