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dynamic_cast and static_cast in C++
...n order for the cast to be legal.
Casts can go in one of two directions: from base to derived (B2D) or from derived to base (D2B). It's simple enough to see how D2B casts would work at runtime. Either ptr was derived from Type or it wasn't. In the case of D2B dynamic_cast<>s, the rules ar...
Remove unnecessary svn:mergeinfo properties
...t not at the root folder (this is needed for branching to work properly).
From the root of the project do:
svn propdel svn:mergeinfo -R
svn revert .
svn ci -m "Removed mergeinfo"
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git: Your branch is ahead by X commits
... with a git fetch. (Optionally, run git fetch -p to prune deleted branches from the repo)
Fetch seems to update the local representation of the remote branch, which doesn't necessarily happen when you do a git pull remote branch.
...
How to insert an item into an array at a specific index (JavaScript)?
...ause most of the answers are pre ES6, but this approach is very common now from my experience
– gafi
Dec 16 '17 at 22:35
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Is it possible to set private property via reflection?
...
Yes, it is:
/// <summary>
/// Returns a _private_ Property Value from a given Object. Uses Reflection.
/// Throws a ArgumentOutOfRangeException if the Property is not found.
/// </summary>
/// <typeparam name="T">Type of the Property</typeparam>
/// <param name="obj"&g...
What is std::promise?
...td::future is an asynchronous return object ("an object that reads results from a shared state") and a std::promise is an asynchronous provider ("an object that provides a result to a shared state") i.e. a promise is the thing that you set a result on, so that you can get it from the associated futu...
load and execute order of scripts
...r, then it would have to be coded in by registering for load notifications from the async scripts and manually sequencing javascript calls when the appropriate things are loaded.
When a script tag is inserted dynamically, how the execution order behaves will depend upon the browser. You can see ho...
How to get the current branch name in Git?
I'm from a Subversion background and, when I had a branch, I knew what I was working on with "These working files point to this branch".
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Maven fails to find local artifact
...
The local Maven repo tracks where artifacts originally came from using a file named "_maven.repositories" in the artifact directory. After removing it, the build worked. This answer fixed the problem for me.
s...
Is there a cross-domain iframe height auto-resizer that works?
...her option would be to send the iframe height to your server and then poll from that server from the parent web page with JSONP (or use a long poll if possible).
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