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How can I convert byte size into a human-readable format in Java?
...tor ci = new StringCharacterIterator("kMGTPE");
while (bytes <= -999_950 || bytes >= 999_950) {
bytes /= 1000;
ci.next();
}
return String.format("%.1f %cB", bytes / 1000.0, ci.current());
}
Binary (1 K = 1,024)
public static String humanReadableByteCountBin(long by...
How do I convert Long to byte[] and back in java
...ere.
– user1132959
May 12 '13 at 19:05
4
If he's doing cross-language or cross-platform, then sen...
Python __str__ and lists
...
Calling string on a python list calls the __repr__ method on each element inside. For some items, __str__ and __repr__ are the same. If you want that behavior, do:
def __str__(self):
...
def __repr__(self):
return self.__str__()
...
How to find day of week in php in a specific timezone
...
Another quick way:
date_default_timezone_set($userTimezone);
echo date("l");
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Linux C/C++进程单实例互斥代码分享 - C/C++ - 清泛网 - 专注C/C++及内核技术
..., O_RDWR | O_TRUNC);
}
}
if (fd < 0) {
printf("Open file failed, error : %s", strerror(errno));
exit(1);
}
// 将该文件锁定,锁定后的文件将不能够再次锁定
struct flock fl;
fl.l_type = F_WRLCK; // 写文件锁定
fl.l_start = 0;
fl.l_whence = SEEK_SET;
fl...
Android SDK on a 64-bit linux machine
...
When I first tried this I got "Error: Protected multilib versions: libstdc++-4.7.2-2.fc17.i686 != libstdc++-4.7.0-5.fc17.x86_64". Fixed with yum upgrade libstdc++
– pinoyyid
Oct 14 '12 at 15:36
...
How do I measure separate CPU core usage for a process?
...${pids[@]}"; do
if [ ! -e /proc/$pid ]; then
echo "Error: pid $pid doesn't exist"
exit 1
fi
done
while [ true ]; do
echo -e "\033[H\033[J"
for pid in "${pids[@]}"; do
ps -p $pid -L -o pid,tid,psr,pcpu,comm=
done...
Scala list concatenation, ::: vs ++
...matic Scala 2.10 has :+ and +: object extractors.
– 0__
Jan 18 '13 at 9:25
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MySql Table Insert if not exist otherwise update
... if an existing row is set to its current values. If you specify the CLIENT_FOUND_ROWS flag to mysql_real_connect() when connecting to mysqld, the affected-rows value is 1 (not 0) if an existing row is set to its current values...
...
How to split a string in Haskell?
...
answered Feb 12 '11 at 15:05
Jonno_FTWJonno_FTW
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