大约有 47,000 项符合查询结果（耗时：0.0606秒） [XML]
Efficient way to rotate a list in python
...t really answer the question. The question isn't about returning items in order, but rather about creating a new list that is in a different order.
– user650261
Jan 4 '16 at 21:18
...
How to remove all white spaces in java [duplicate]
...remove anything that is a space character (including space, tab characters etc). You need to escape the backslash in Java so the regex turns into \\s. Also, since Strings are immutable it is important that you assign the return value of the regex to a.
...
Android 4.2: back stack behaviour with nested fragments
...
The order for popping the backstack is not as I expected in this example. I believe you should first find the most deeply nested visible fragment in the tree and attempt to pop the backstack on that, then progressively move up th...
Delete all but the most recent X files in bash
...filesystem items sorted by how recently they were modified , in descending order (most recently modified items first) (-t), with directories printed with a trailing / to mark them as such (-p).
grep -v '/$' then weeds out directories from the resulting listing, by omitting (-v) lines that have a tra...
How can I truncate a double to only two decimal places in Java?
...o double
and divide by ten.
Hundreths place
multiply and divide by 100 etc.
Example:
static double truncateTo( double unroundedNumber, int decimalPlaces ){
int truncatedNumberInt = (int)( unroundedNumber * Math.pow( 10, decimalPlaces ) );
double truncatedNumber = (double)( truncatedNu...
How to simulate the environment cron executes a script with?
...
note: if adding that to the global /etc/crontab, you'll need the username too. E.g. * * * * * root env > ~/cronenv
– Greg
Aug 20 '12 at 14:23
...
Tools to search for strings inside files without indexing [closed]
...e to being binary files. Subsequent searches in the same folder are on the order of seconds (until stuff gets evicted form the cache).
The next closest I've found for the same folder was grepWin. Around 3 minutes. I excluded files larger than 2000KB (default). The "Include binary files" setting se...
How do I access properties of a javascript object if I don't know the names?
...ey);
}
}
As you noted, keys are not guaranteed to be in any particular order. Note how this differs from the following:
for each (var value in data) {
console.log(value);
}
This example loops through values, so it would log Property Name and 0. N.B.: The for each syntax is mostly only suppo...
How to split text without spaces into list of words?
...reenappleactiveassignmentweeklymetapho
rapparentlytherearethumbgreenappleetcinthestringialsohavealargedictionarytoquery
whetherthewordisreasonablesowhatsthefastestwayofextractionthxalot.
After: there is masses of text information of peoples comments which is parsed from html but there are n...
C++ lambda with captures as a function pointer
... int {
entries.push_back(fpath);
return 0;
};
int ret = ftw("/etc", callback);
for (auto entry : entries ) {
cout << entry << endl;
}
return ret;
}
Edit:
I had to revisit this when I ran into legacy code where I couldn't modify the original function signature, ...