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Are there any downsides to passing structs by value in C, rather than passing a pointer?
...e output parameters be listed first before input parameters, e.g. int func(char* out, char *in);
– zooropa
Apr 29 '09 at 12:29
...
可重入函数、不可重入函数及线程安全 - C/C++ - 清泛网 - 专注C/C++及内核技术
...elset
tcsetattr
cfsetospeed
geteuid
pselect
sigemptyset
tcsetpgrp
chdir
getgid
raise
sigfillset
time
chmod
getgroups
read
sigismember
timer_getoverrun
...
Difference between a Structure and a Union
...re that value.
union foo {
int a; // can't use both a and b at once
char b;
} foo;
struct bar {
int a; // can use both a and b simultaneously
char b;
} bar;
union foo x;
x.a = 3; // OK
x.b = 'c'; // NO! this affects the value of x.a!
struct bar y;
y.a = 3; // OK
y.b = 'c'; // OK
ed...
Does delete on a pointer to a subclass call the base class destructor?
...n this will happen when the containing object is destroyed.
class A
{
char *someHeapMemory;
public:
A() : someHeapMemory(new char[1000]) {}
~A() { delete[] someHeapMemory; }
};
class B
{
A* APtr;
public:
B() : APtr(new A()) {}
~B() { delete APtr; }
};
class C
{
A Amemb...
hadoop No FileSystem for scheme: file
...on managing the assembly build. e.g. in sbt we could do a mergeStrategy of concat or even filterDistinctLines
– human
Jan 25 '18 at 9:01
|
s...
Android Reading from an Input stream efficiently
... avoid creating new String objects on each append and to avoid copying the char arrays. The implementation for your case would be something like this:
BufferedReader r = new BufferedReader(new InputStreamReader(inputStream));
StringBuilder total = new StringBuilder();
for (String line; (line = r.re...
Are Javascript arrays sparse?
... answered May 29 '19 at 1:52
Charles MerriamCharles Merriam
16.4k55 gold badges6262 silver badges7272 bronze badges
...
How can I link to a specific glibc version?
...ric
so in menuconfig I do:
Operating System
Version of linux
so I select:
4.14.71
which is the first equal or older version. It has to be older since the kernel is backwards compatible.
Now you can build with:
env -u LD_LIBRARY_PATH time ./ct-ng build CT_JOBS=`nproc`
and now wait for...
Get Android Phone Model programmatically
...talize(String str) {
if (TextUtils.isEmpty(str)) {
return str;
}
char[] arr = str.toCharArray();
boolean capitalizeNext = true;
StringBuilder phrase = new StringBuilder();
for (char c : arr) {
if (capitalizeNext && Character.isLetter(c)) {
phrase.append(Character.t...
How do I set the version information for an existing .exe, .dll?
...e 7zS.sfx stub, the first part with the VERSIONINFO inside that you use to concat together a self extracting archive. Manually you can also rename 7zS.sfx in 7zS.exe and edit it in Visual Studio but since the version number is changing for every build you prefer a batch file with rcedit statements i...