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Proper stack and heap usage in C++?
... it, you must allocate it on the heap.
class Thingy;
Thingy* foo( )
{
int a; // this int lives on the stack
Thingy B; // this thingy lives on the stack and will be deleted when we return from foo
Thingy *pointerToB = &B; // this points to an address on the stack
Thingy *pointerToC = n...
Validation failed for one or more entities while saving changes to SQL Server Database using Entity
...
You sir, won the internet.
– Leandro
Nov 13 '14 at 20:17
8
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Java 8 Streams: multiple filters vs. complex condition
...d than a single filter but that’s only relevant for rather computational intense tasks¹.
So there is no simple answer.
The bottom line is, don’t think about such performance differences below the odor detection threshold. Use what is more readable.
¹…and would require an implementation ...
Emacs mode for Stack Overflow's markdown
...iting italics /like this/, and then export to markdown.
From emacs you can convert to markdown by selecting the region, hitting C-u M-S-\ and typing pandoc -r org -t markdown, getting output like this:
In other words, you can keep writing in org-mode, including writing italics *like this*, and then...
Is there a way to iterate over a slice in reverse in Go?
...e one in place. You'll have to do a normal for loop counting down:
s := []int{5, 4, 3, 2, 1}
for i := len(s)-1; i >= 0; i-- {
fmt.Println(s[i])
}
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Prefer composition over inheritance?
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My acid test for the above is:
Does TypeB want to expose the complete interface (all public methods no less) of TypeA such that TypeB can be used where TypeA is expected? Indicates Inheritance.
e.g. A Cessna biplane will expose the complete interface of an airplane, if not more. So that make...
Custom checkbox image android
... will crash your app on pre-honeycomb devices. It is really difficult to maintain and debug such troubles. So I usually copy not only xml but the images too to be hundreed percent sure the resources will be found. Also this is very important to ensure UI look the same on every device.
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Why git can't remember my passphrase under Windows
...or as instructed by your Git host.
Again, if you have not already done so, convert your key for use with PuTTY's pageant.exe using puttygen.exe. Instructions are in PuTTY's documentation, in this helpful guide, and several other places in cyberspace.
Run PuTTY's pageant.exe, open your .ppk file ("Ad...
How do I get the application exit code from a Windows command line?
...variable, not an environment variable, and it also returns a string not an int, meaning you can't use EQ/NEQ effectively.
– kayleeFrye_onDeck
Sep 24 '16 at 0:27
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How does the ThreadStatic attribute work?
...on-specific behaviour of TLS completely subvert the "verifiable" selling-point of .NET/CLR?
– Dai
Sep 11 '19 at 9:15
I...