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Are multiple `.gitignore`s frowned on?
...single asterisk) in that directory and it will never show up in git status etc.
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How many bytes does one Unicode character take?
.... Those are the various unicode encodings, such as utf-8, utf-16le, utf-32 etc. They are distinguished largely by the size of of their codeunits. UTF-32 is the simplest encoding, it has a codeunit that is 32bits, which means an individual codepoint fits comfortably into a codeunit. The other encodin...
How does facebook, gmail send the real time notification?
...opic and the answers are comet, reverse ajax, http streaming, server push, etc.
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Synchronization vs Lock
...d to use that directly either (you can use Queues and Semaphore and stuff, etc, most of the time).
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Multiple queries executed in java in single statement
...nection property to those if already exists some, like autoReConnect=true, etc.. Acceptable values for allowMultiQueries property are true, false, yes, and no. Any other value is rejected at runtime with an SQLException.
String dbUrl = "jdbc:mysql:///test?allowMultiQueries=true";
Unless such ...
What are the differences between git branch, fork, fetch, merge, rebase and clone?
... of merging file changes (within the same file!) together during pulls or fetches/pushes to a remote repository such as GitHub. The only time you need to do manual changes (actually editing a file) is if two changes involve the same line(s) of code.
Branches
Branches allow you to preserve the ...
How to read a single char from the console in Java (as the user types it)?
...ersions, 64/32 bit, Linux via SSH, Telnet, serial port or desktop console, etc.). So far I only use it in my private test tools. But the source code is relatively small, compared to other solutions (like JLine2 which uses Jansi). So there is not much that can go wrong. I wrote it, because JLine2 doe...
Possible reason for NGINX 499 error codes
... be in your infrastructure like maybe a CDN, Load Balacer, a Varnish cache etc. Others can be in user side like a caching proxy etc.
If there are proxies on your side like a LoadBalancer / CDN ... you should set the timeouts to timeout first your backend and progressively the other proxies to the u...
Can local storage ever be considered secure? [closed]
...atch-22 of downloading the tool to verify the downloads… PRNG quality… etc.)
– amcgregor
Feb 26 '19 at 17:30
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How to know if user is logged in with passport.js?
...express.js and passport.js you will deal with requests (app.get, app.post, etc), so talking about using passport.js outside of it is little bit pointless. Yes it is only within express route middleware handlers like app.get, app.post etc. If you need different functionality, then you should explain ...