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How do I send a cross-domain POST request via JavaScript?
... in my opinion.
In short here is how you accomplish the cross domain POST from from.com/1.html to to.com/postHere.php (using PHP as an example). Note: you only need to set Access-Control-Allow-Origin for NON OPTIONS requests - this example always sets all headers for a smaller code snippet.
In po...
When are you truly forced to use UUID as part of the design?
...sions:
Version 4 UUIDs are essentially just 16 bytes of randomness pulled from a cryptographically secure random number generator, with some bit-twiddling to identify the UUID version and variant. These are extremely unlikely to collide, but it could happen if a PRNG is used or if you just happen t...
Windows equivalent to UNIX pwd
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@DanielStevens the help line from cd says Displays the name of or changes the current directory.
– phuclv
May 1 '19 at 3:00
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What is the basic difference between the Factory and Abstract Factory Design Patterns? [closed]
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Source for this information taken from: http://java.dzone.com/news/intro-design-patterns-abstract
Abstract Factory vs. Factory Method
The methods of an Abstract Factory are implemented as Factory Methods. Both the Abstract Factory Pattern and the Factory Met...
How do I use disk caching in Picasso?
...tBerde: Thanks for the quick note but I figured out the image is coming up from memory only if the App is running in background (when on offline). if I close the app, that is clear the running apps then open my app again the images don't load from Cache. I have set the error default loading image th...
How to convert SSH keypairs generated using PuTTYgen (Windows) into key-pairs used by ssh-agent and
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This answer was the key to getting ssh from the windows command line using passwordless keys for me (specifically for git access). Would have saved me hours of pain if I had seen it earlier! Thanks!
– cori
Jan 25 '13 at 12:20...
Exact time measurement for performance testing [duplicate]
...ierhofer here
Basically his code looks like:
//prevent the JIT Compiler from optimizing Fkt calls away
long seed = Environment.TickCount;
//use the second Core/Processor for the test
Process.GetCurrentProcess().ProcessorAffinity = new IntPtr(2);
//prevent "Normal" Processes from interrupting Th...
Get IP address of visitors using Flask for Python
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See the documentation on how to access the Request object and then get from this same Request object, the attribute remote_addr.
Code example
from flask import request
from flask import jsonify
@app.route("/get_my_ip", methods=["GET"])
def get_my_ip():
return jsonify({'ip': request.remote...
Architecture for merging multiple user accounts together
...tifier is paired with a method for retrieving the relevant user identifier from that service, and that is how authentication is performed. For OpenID, we employ the same approach, except the method for authenticating is more generalized (because we can almost always perform the exact same protocol ...
Why is “final” not allowed in Java 8 interface methods?
...wed in this light. (Note too that class methods are going to be different from interface methods, no matter what the intent, by virtue of the fact that interface methods can be multiply inherited.)
The basic idea of a default method is: it is an interface method with a default implementation, and ...