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What is the rationale for fread/fwrite taking size and count as arguments?
...o compare the result against the requested number of bytes (which requires extra C code and extra machine code).
– R.. GitHub STOP HELPING ICE
Jul 31 '10 at 0:16
1
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boost自定义composite_key_compare比较函数 - C/C++ - 清泛网 - 专注C/C++及内核技术
...DType,&TParam::ID>
>,
composite_key_compare<
//std::less<std::string>
customize_compare
>
>,
ordered_non_unique< tag<TParamValidIndex>,
member<TParam,bool,&TParam::IsValid> >
>
>TParamSet;
typedef boost::multi_index::index<TParamSet,TParamIDIndex>::type TParamSetBy...
Parse (split) a string in C++ using string delimiter (standard C++)
I am parsing a string in C++ using the following:
17 Answers
17
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A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7
...could look like this. From RMAppReceipt:
+ (NSData*)dataFromPKCS7Path:(NSString*)path
{
const char *cpath = [[path stringByStandardizingPath] fileSystemRepresentation];
FILE *fp = fopen(cpath, "rb");
if (!fp) return nil;
PKCS7 *p7 = d2i_PKCS7_fp(fp, NULL);
fclose(fp);
if ...
Get the IP address of the machine
...gt;
#include <ifaddrs.h>
#include <netinet/in.h>
#include <string.h>
#include <arpa/inet.h>
int main (int argc, const char * argv[]) {
struct ifaddrs * ifAddrStruct=NULL;
struct ifaddrs * ifa=NULL;
void * tmpAddrPtr=NULL;
getifaddrs(&ifAddrStruct);
...
Send Email Intent
...."));
Update: According to marcwjj, it seems that on 4.3, we need to pass string array instead of a string for email address to make it work. We might need to add one more line:
intent.putExtra(Intent.EXTRA_EMAIL, addresses); // String[] addresses
Ref link
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How to get first and last day of previous month (with timestamp) in SQL Server
...
First Day Of Current Week.
select CONVERT(varchar,dateadd(week,datediff(week,0,getdate()),0),106)
Last Day Of Current Week.
select CONVERT(varchar,dateadd(week,datediff(week,0,getdate()),6),106)
First Day Of Last week.
select CONVERT(varchar,DATEADD(week,datediff(...
static const vs #define
...
String constants specifically are one of those that might benefit from being #defined, at least if they can be used as "building blocks" for bigger string constants. See my reply for an example.
– AnT
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Is a Java string really immutable?
We all know that String is immutable in Java, but check the following code:
15 Answers
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extra qualification error in C++
...Deserializer
{
Value JSONDeserializer::ParseValue(TDR type, const json_string& valueString);
};
This is not valid C++ but Visual Studio seems to accept it. You need to change it to the following code to be able to compile it with a standard compliant compiler (gcc is more compliant to the ...