大约有 47,000 项符合查询结果（耗时：0.0671秒） [XML]
Divide a number by 3 without using *, /, +, -, % operators
....333333, the repeating numbers make this easy to calculate using a / 3 = a/10*3 + a/100*3 + a/1000*3 + (..). In binary it's almost the same: 1 / 3 = 0.0101010101 (base 2), which leads to a / 3 = a/4 + a/16 + a/64 + (..). Dividing by 4 is where the bit shift comes from. The last check on num==3 is ne...
Should I impose a maximum length on passwords?
...ds stored in plaintext.
– jevon
Aug 10 '11 at 13:18
14
Sigh, even at PayPal, "correct horse batte...
All falsey values in JavaScript
...statemonica8
24.8k1515 gold badges8282 silver badges109109 bronze badges
3
...
Undo part of unstaged changes in git
...
|
edited Jan 3 '10 at 17:55
answered Dec 30 '09 at 19:08
...
How do I put a bunch of uncommitted changes aside while working on something else
...elve all changes anyway.
– naXa
Dec 10 '18 at 12:40
@naXa Hi mate, if one of my commands is slightly amiss (maybe beca...
Returning a boolean from a Bash function
...
10 Answers
10
Active
...
How do I capture the output of a script if it is being ran by the task scheduler?
... Igor
29.8k1414 gold badges6666 silver badges106106 bronze badges
answered Sep 3 '13 at 23:29
user2744787user2744787
85611 ...
Can I grep only the first n lines of a file?
...e very long log files, is it possible to ask grep to only search the first 10 lines?
12 Answers
...
Calculate the median of a billion numbers
...f the network can be presumed to be instantaneous, for example if you have 100 cores with equal access to RAM containing the data.
Since network I/O is likely to be the bound, there might be some tricks you can play, at least for the data coming back to the control machine. For example, instead of ...
Disable building workspace process in Eclipse
...
102
Building workspace is about incremental build of any evolution detected in one of the opened p...