Use new operator to initialise an array
This answer is useful 30 You can use memcpy after the allocation. I’m not aware of any syntax that lets you do this automagically. Much later edit:
When to use extern in C++
This comes in useful when you have global variables. You declare the existence of global variables in a header, so that each source file that includes the header knows about it, but you only need to “define” it once in one of your source files. To clarify, using extern int x; tells the compiler that … Read more
How to make the script wait/sleep in a simple way in unity
There are many ways to wait in Unity. They are really simple but I think it’s worth covering most ways to do it: 1.With a coroutine and WaitForSeconds. The is by far the simplest way. Put all the code that you need to wait for some time in a coroutine function then you can wait … Read more
What does a lock statement do under the hood?
The lock statement is translated by C# 3.0 to the following: In C# 4.0 this has changed and it is now generated as follows: You can find more info about what Monitor.Enter does here. To quote MSDN: Use Enter to acquire the Monitor on the object passed as the parameter. If another thread has executed … Read more
“Chrome extension throws CRX file Error “CRX_REQUIRD_PROOF_MISSING”
In recent versions of Chrome only CRX3 format is supported: Instructions for Repackaging Please see the following article for detailed instructions on how to repackage Chrome apps and extensions into the CRX3 format. If you use an open source library to build extensions please verify CRX3 support with that vendor. In addition you can use … Read more
VirtualBox – Kernel requires an x86-64 cpu but only detected an i686 cpu
Intel i5-2410M CPU running at 2.30 GHz running a Windows 7 64-bit operating system. I have VirtualBox 4.13 installed. I am trying to run ubuntu-14.04-desktop-amd64.iso but I get an error this kernel requires an x86-64 cpu but only detected an i686 cpu I even enabled the Intel Virtualization in the BIOS settings and then tried … Read more
Stack Memory vs Heap Memory
I am programming in C++ and I am always wondering what exactly is stack memory vs heap memory. All I know is when I call new, I would get memory from heap. If if create local variables, I would get memory from stack. After some research on internet, the most common answer is stack memory … Read more
Fetch: POST JSON data
With ES2017 async/await support, this is how to POST a JSON payload: Expand snippet Can’t use ES2017? See @vp_art’s answer using promises The question however is asking for an issue caused by a long since fixed chrome bug.Original answer follows. chrome devtools doesn’t even show the JSON as part of the request This is the … Read more
How to copy a dictionary and only edit the copy
Can someone please explain this to me? This doesn’t make any sense to me. I copy a dictionary into another and edit the second and both are changed. Why is this happening?