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When to use std::forward to forward arguments?
...by value
An example for the first case:
template<typename T>
void foo(T&& prop) {
other.set(prop); // use prop, but don't modify it because we still need it
bar(std::forward<T>(prop)); // final use -> std::forward
}
In the code above, we don't want prop to have so...
Error : The service is invalid
...
2a: Delete DerivedData
– Amin Negm-Awad
Sep 11 '13 at 12:29
3
...
Confused about stdin, stdout and stderr?
...:
cat /etc/passwd > /tmp/out # redirect cat's standard out to /tmp/foo
cat /nonexistant 2> /tmp/err # redirect cat's standard error to /tmp/error
cat < /etc/passwd # redirect cat's standard input to /etc/passwd
Or, the whole enchilada:
cat < /etc/passwd > /tmp/o...
View array in Visual Studio debugger? [duplicate]
...ter or go to http://visualstudiogallery.msdn.microsoft.com/2fde2c3c-5b83-4d2a-a71e-5fdd83ce6b96?SRC=Home
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How do I find the PublicKeyToken for a particular dll?
...ow:
MyDLL, Version=1.0.0.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a
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Linux反编译全攻略 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
... FC FF FF call gtk_main (08048840) ; (near - 0x3FD)
08048C3D 68 2C A0 04 08 push "CrackMe v13 (2 linux" (0804A02C)
08048C42 E8 D9 FB FF FF call g_print (08048820) ; (near - 0x427)
08048C47 81 C4 04 00 00 00 ...
Is explicitly closing files important?
...ve situation that you write content to a new file and then without closing fd you are using that file(not fd) in another shell command which reads its content. In this situation you will not get you contents for shell command as expected and if you try to debug you can't find the bug easily. you can...
Turn a simple socket into an SSL socket
...e functionality. You may want to add a while loop on connections.
int sockfd, newsockfd;
SSL_CTX *sslctx;
SSL *cSSL;
InitializeSSL();
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd< 0)
{
//Log and Error
return;
}
struct sockaddr_in saiServerAddress;
bzero((char *) &saiServerAd...
What is the difference between an annotated and unannotated tag?
...
contains the SHA of the annotated tag object:
c1d7720e99f9dd1d1c8aee625fd6ce09b3a81fef
and then we can get its content with:
git cat-file -p c1d7720e99f9dd1d1c8aee625fd6ce09b3a81fef
sample output:
object 4284c41353e51a07e4ed4192ad2e9eaada9c059f
type commit
tag annot
tagger Ciro Santilli &l...
What does Expression.Quote() do that Expression.Constant() can’t already do?
...pression.Add(ps, pt),
pt)),
ps);
var f2a = (Func<int, Expression<Func<int, int>>>)ex2.Compile();
var f2b = f2a(200).Compile();
Console.WriteLine(f2b(123));
And indeed, if you compile and run this code you get the right answer.
...