大约有 40,000 项符合查询结果（耗时：0.0504秒） [XML]
Trying to add adb to PATH variable OSX
...
Where is adb supposed to be located? Check that it's there and that it has execute permissions (cd to the directory and do ls -l adb).
– LaC
Apr 2 '11 at 23:10
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Is JavaScript guaranteed to be single-threaded?
JavaScript is known to be single-threaded in all modern browser implementations, but is that specified in any standard or is it just by tradition? Is it totally safe to assume that JavaScript is always single-threaded?
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How do I create a new class in IntelliJ without using the mouse?
...rything is possible with keyboard only with the debugger. CrazyCoder, i challenge you to unplug your keyboard and work with IntelliJ!!!
– JavaRocky
Feb 12 '10 at 4:31
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Check if a string is a date value
... is an easy way to check if a value is a valid date, any known date format allowed.
20 Answers
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Correct way to pause Python program
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This is Windows specific, whereas all of the existing answers are platform independent.
– lvc
Oct 2 '15 at 14:26
add a comment
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Reminder - \r\n or \n\r?
...Mac keyboards, or else you might later look at a PC keyboard, see the key called "Enter," and get the letter order wrong!
– Rob Kennedy
Jun 30 '11 at 19:36
3
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Is it better to use std::memcpy() or std::copy() in terms to performance?
...y.
I wrote a C++ SHA-2 implementation. In my test, I hash 5 strings using all four SHA-2 versions (224, 256, 384, 512), and I loop 300 times. I measure times using Boost.timer. That 300 loop counter is enough to completely stabilize my results. I ran the test 5 times each, alternating between the m...
What is the fastest integer division supporting division by zero no matter what the result is?
...x, int y)
{
y += y == 0;
return x/y;
}
The compiler basically recognizes that it can use a condition flag of the test in the addition.
As per request the assembly:
.globl f
.type f, @function
f:
pushl %ebp
xorl %eax, %eax
movl %esp, %ebp
movl 12(%...
How can I get Docker Linux container information from within the container itself?
...r 1.12
root@d2258e6dec11:/project# cat /etc/hostname
d2258e6dec11
Externally
$ docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
d2258e6dec11 300518d26271 "bash" 5 minu...
CPU Privilege Rings: Why rings 1 and 2 aren't used?
...iminished greatly.
The intent by Intel in having rings 1 and 2 is for the OS to put device drivers at that level, so they are privileged, but somewhat separated from the rest of the kernel code.
Rings 1 and 2 are in a way, "mostly" privileged. They can access supervisor pages, but if they attempt ...