大约有 46,000 项符合查询结果(耗时:0.0644秒) [XML]
Why isn't sizeof for a struct equal to the sum of sizeof of each member?
...s an example using typical settings for an x86 processor (all used 32 and 64 bit modes):
struct X
{
short s; /* 2 bytes */
/* 2 padding bytes */
int i; /* 4 bytes */
char c; /* 1 byte */
/* 3 padding bytes */
};
struct Y
{
int i; /* 4 bytes */
cha...
Objective-C : BOOL vs bool
...
From the definition in objc.h:
#if (TARGET_OS_IPHONE && __LP64__) || TARGET_OS_WATCH
typedef bool BOOL;
#else
typedef signed char BOOL;
// BOOL is explicitly signed so @encode(BOOL) == "c" rather than "C"
// even if -funsigned-char is used.
#endif
#define YES ((BOOL)1)
#define NO ...
Dynamically generating a QR code with PHP [closed]
...
4
Are there any limitations for using the Google API?. I mean limitations as: amount of requests in a given time, etc.
–...
What's the difference between HEAD, working tree and index, in Git?
...'s the workflow order, basically showing arrows as 1 -> 2 -> 3 -> 4 where 1 is the first commit and 4 is the last)
Now we know what is happening in the project.
But to know what is happening right here, right now there is a special reference called HEAD. It serves two major purposes:
it...
How do I see the extensions loaded by PHP?
...
245
Running php -m will give you all the modules, and php -i will give you a lot more detailed info...
Using grep to search for a string that has a dot in it
I am trying to search for a string 0.49 (with dot) using the command
9 Answers
9
...
Set selected index of an Android RadioGroup
....
– Lassi Kinnunen
Mar 13 '15 at 8:14
@LassiKinnunen I feel like the number of upvotes on this answer suggests that pe...
How can I String.Format a TimeSpan object with a custom format in .NET?
...
Please note: this answer is for .Net 4.0 and above. If you want to format a TimeSpan in .Net 3.5 or below please see JohannesH's answer.
Custom TimeSpan format strings were introduced in .Net 4.0. You can find a full reference of available format specifiers a...
How To Set Text In An EditText
...
answered Jan 4 '11 at 14:40
Kevin CoppockKevin Coppock
125k4242 gold badges247247 silver badges262262 bronze badges
...
How to determine if Javascript array contains an object with an attribute that equals a given value?
...
24 Answers
24
Active
...