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What is the strict aliasing rule?
...sg;
void SendWord(uint32_t);
int main(void)
{
// Get a 32-bit buffer from the system
uint32_t* buff = malloc(sizeof(Msg));
// Alias that buffer through message
Msg* msg = (Msg*)(buff);
// Send a bunch of messages
for (int i = 0; i < 10; ++i)
{
m...
Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?
... a weird name.
] is just an argument of [ that prevents further arguments from being used.
Ubuntu 16.04 actually has an executable for it at /usr/bin/[ provided by coreutils, but the bash built-in version takes precedence.
Nothing is altered in the way that Bash parses the command.
In particular...
Run batch file as a Windows service
... running. I am hence forced to have this batch file running and not logout from the Windows server.
8 Answers
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List vs tuple, when to use each? [duplicate]
...t. Tuples are useful when position has relevance - the best example comes from coordinates in mathematics, which even uses the same syntax: (x, y, z)
– Izkata
Apr 18 '13 at 19:08
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Difference between InvariantCulture and Ordinal string comparison
... the first difference. This sorts capitalized letters completely separate from the lowercase letters (and accented letters presumably separate from those), so capitalized words would sort nowhere near their lowercase equivalents.
InvariantCulture also considers capitals to be greater than lower ca...
Duplicate symbols for architecture x86_64 under Xcode
...loaded same functions twice.
As the issue disappear after removing -ObjC from Other Linker Flags,
this means that this option result that functions loads twice:
from Technical Q&A
This flag causes the linker to load every object file in the library
that defines an Objective-C class or ...
Why do we need break after case statements?
...
Java comes from C and that is the syntax from C.
There are times where you want multiple case statements to just have one execution path.
Below is a sample that will tell you how many days in a month.
class SwitchDemo2 {
public st...
How to check if DST (Daylight Saving Time) is in effect, and if so, the offset?
...es DST that lasts for 7 months[1], in an area that observes DST the offset from UTC time in January will be different to the one in July.
While Daylight Savings Time moves clocks forwards, JavaScript always returns a greater value during Standard Time. Therefore, getting the minimum offset between...
Difference between declaring variables before or in loop?
...
Which is better, a or b?
From a performance perspective, you'd have to measure it. (And in my opinion, if you can measure a difference, the compiler isn't very good).
From a maintenance perspective, b is better. Declare and initialize variables in t...
How can I make git ignore future revisions to a file?
... @AdamDymitruk: Yes, clean/smudge can be used in this case, but it's far from clear that that is the best option. For example, this will make it rather hard if people really want to change the file, as the clean/smudge will get in the way. I would actually prefere the approach described here.
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