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Using reCAPTCHA on localhost
I'm developing a website using PHP and I want to make a human verification in one of the sessions. For the development, I'm initially running the system locally and when it is ready, I'm gonna make put it on in a certain domain.
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What makes Lisp macros so special?
...not had the privilege of using Lisp macros. As someone who wants to understand the buzz, please explain what makes this feature so powerful.
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git ahead/behind info between master and branch?
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Here's a trick I found to compare two branches and show how many commits each branch is ahead of the other (a more general answer on your question 1):
For local branches:
git rev-list --left-right --count master...test-branch
For remote branches:
git rev-list --left-rig...
Mismatch Detected for 'RuntimeLibrary'
I downloaded and extracted Crypto++ in C:\cryptopp. I used Visual Studio Express 2012 to build all the projects inside (as instructed in readme), and everything was built successfully. Then I made a test project in some other folder and added cryptolib as a dependency. After that, I added the includ...
Error: Cannot access file bin/Debug/… because it is being used by another process
...pops up in Visual Studio once in a while. It's bitten me a couple of times and I've lost hours restarting and fighting with VS. I'm sure it's been discussed here on SO more than once. It's also been talked about on the MSDN forums. There isn't an actual solution, but there are a couple of workaround...
Properly removing an Integer from a List
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Java always calls the method that best suits your argument. Auto boxing and implicit upcasting is only performed if there's no method which can be called without casting / auto boxing.
The List interface specifies two remove methods (please note the naming of the arguments):
remove(Object o)
r...
How do you convert a byte array to a hexadecimal string, and vice versa?
How can you convert a byte array to a hexadecimal string, and vice versa?
45 Answers
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Purpose of Unions in C and C++
...ed unions earlier comfortably; today I was alarmed when I read this post and came to know that this code
15 Answers
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Javascript: negative lookbehind equivalent?
...le Chrome 62.0
✔️ Microsoft Edge 79.0
✔️ Node.js 6.0 behind a flag and 9.0 without a flag
✔️ Deno (all versions)
✔️ SpiderMonkey
✔️ Mozilla Firefox 78.0
????️ JavaScriptCore: Apple is working on it
????️ Apple Safari
????️ iOS WebView (all browsers on iOS + iPadOS)
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How to compare dates in datetime fields in Postgresql?
...3 12:20:00). This column has the value as timestamp for all rows currently and have the same date part(2013-05-03) but difference in time part.
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