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What does it mean to “program to an interface”?
...ngs down a bit for understanding why an interface is useful.
When I first started getting exposed to interfaces, I too was confused about their relevance. I didn't understand why you needed them. If we're using a language like Java or C#, we already have inheritance and I viewed interfaces as a w...
Why does git-rebase give me merge conflicts when all I'm doing is squashing commits?
... procedure worked for me.
on my working branch
git reset –hard mybranch-start-commit
git checkout mybranch-end-commit . // files only of the latest commit
git add -a
git commit -m”New Message intermediate commits discarded”
viola we have connected the latest commit to the start commit of th...
Concurrent vs serial queues in GCD
...ze something, or to put something in serial, just means to execute it from start to finish in its order from left to right, top to bottom, uninterrupted.
There are two types of queues, serial and concurrent, but all queues are concurrent relative to each other. The fact that you want to run any cod...
What's the difference between streams and datagrams in network programming?
...
If it is the network programming I think starting from sockets would be a good start.
socket = ip + port
there are three types of sockets
stream (TCP, order and delivery guaranteed,no duplication,no length or char boundaries for data,connection-oriented,reliable, co...
Is there a CSS selector by class prefix?
...class attribute meets either of these conditions:
[class^="status-"] — starts with "status-"
[class*=" status-"] — contains the substring "status-" occurring directly after a space character. Class names are separated by whitespace per the HTML spec, hence the significant space character. This...
How do you create an asynchronous method in C#?
...
I don't recommend StartNew unless you need that level of complexity.
If your async method is dependent on other async methods, the easiest approach is to use the async keyword:
private static async Task<DateTime> CountToAsync(int num =...
ExpressJS How to structure an application?
...you should build your application up by using several npm packages as that starts to make sense and justify the overhead. So as your application grows and some portion of the code becomes clearly reusable outside of your application or is a clear subsystem, move it to it's own git repository and mak...
What is the precise meaning of “ours” and “theirs” in git?
...effect here ... well, not unless you copy it into the work tree before you start.
Also, by the way, this applies to all uses of ours and theirs, but some are on a whole file level (-s ours for a merge strategy; git checkout --ours during a merge conflict) and some are on a piece-by-piece basis (-X ...
When would I need a SecureString in .NET?
... a copy through PasswordBox::SecurePassword)
The System.Diagnostics.ProcessStartInfo::Password property is a SecureString
The constructor for X509Certificate2 takes a SecureString for the password
The main purpose is to reduce the attack surface, rather than eliminate it. SecureStrings are "pinned...
Handling InterruptedException in Java
... signature and a possible outcome of calling the method you're calling. So start by embracing the fact that an InterruptedException is a perfectly valid result of the method call.
Now, if the method you're calling throws such exception, what should your method do? You can figure out the answer by t...