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It is more efficient to use if-return-return or if-else-return?
...sing a switch construct or for Python, enumerating a dict/using a callable/etc.). Therefore almost all if-else-return are cases of guard clauses and those are always testable (mock the tested expression) without the else.
– cowbert
Mar 28 '18 at 3:22
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Java equivalent to Explode and Implode(PHP) [closed]
... Split does indeed use a regular expression (in PHP, Perl, Java, etc.). If you want to split on another symbol, it needs to be escaped, like this: String[] split = foo.split("\\(");
– HoldOffHunger
Jun 4 '17 at 22:40
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Why would I want stage before committing in Git?
...ake changes to these files
git add File3 File4
# Verify changes, run tests etc..
git commit -m 'Correct typos'
git push
In a nutshell, git add and git commit lets you break down a change to the main repository into systematic logical sub-changes. As other answers and comments have pointed out, the...
reference assignment is atomic so why is Interlocked.Exchange(ref Object, Object) needed?
...nce without using Interlocked.Exchange then the compiler might mess up the order of those operations, thus making accessing the second reference not thread-safe. Is that really so? Does it make sense to use Interlocked.Exchange is that kind of scenarios?
– Mike
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What's the right OAuth 2.0 flow for a mobile app
...ect URLs.
Support loopback IP redirect URLs with arbitrary port numbers in order to support desktop apps.
Don’t assume native apps can keep a secret. Require all apps to declare whether they are public or confidential, and only issue client secrets to confidential apps.
Support the PKCE extension,...
How to make graphics with transparent background in R using ggplot2?
... use theme() instead of opts() and element_rect() instead of theme_rect(), etc.
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How to compare arrays in C#? [duplicate]
...t.
If you want to check if the arrays contains the same items in the same order, you can use the SequenceEquals extension method:
childe1.SequenceEqual(grandFatherNode)
Edit:
To use SequenceEquals with multidimensional arrays, you can use an extension to enumerate them. Here is an extension to ...
Calling C++ class methods via a function pointer
...ference for (think virtual functions). You also need to know the object in order to provide the this implicit parameter, of course.
Having said that you need them, now I'll say that you really need to avoid them. Seriously, member pointers are a pain. It is much more sane to look at object-oriented...
How to highlight text using javascript
...t a great idea because this will attempt to highlight HTML tags/attributes/etc. For example, what would happen in the case of: <img src="fox.jpg" /> You would get invalid HTML that would look like: <img src="<span class='highlight'>fox</span>.jpg" /> Not good
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Why do x86-64 systems have only a 48 bit virtual address space?
...e IBM PC designated a section of that for memory mapped peripherals, BIOS, etc. Some other 8088/8086 designs (Zenith Z100, if memory serves) designated less for peripherals and such, and correspondingly more for application programs.
– Jerry Coffin
Jul 16 '11 a...