大约有 41,000 项符合查询结果（耗时：0.0402秒） [XML]
Can hash tables really be O(1)?
... your runtime depends on the dataset you're running on.
Consider the following pseudocode of the get method of a hash table. Here I'm assuming we handle collision by chaining, so each entry of the table is a linked list of (key,value) pairs. We also assume the number of buckets m is fixed but is O(...
E11000 duplicate key error index in mongodb mongoose
Following is my user schema in user.js model -
25 Answers
25
...
Test if executable exists in Python?
...nts.
Edit: path.strip('"') seems like the wrong thing to do here. Neither Windows nor POSIX appear to encourage quoted PATH items.
share
|
improve this answer
|
follow
...
“register” keyword in C?
...to keep variable in memory rather than in register.
So using register you win nothing (anyway compiler will decide for itself where to put the variable) and lose the & operator - no reason to use it.
share
|
...
Error 'LINK : fatal error LNK1123: failure during conversion to COFF: file invalid or corrupt' after
...en I try to use Visual Studio 2010 to compile C++ projects, I get the following error message:
26 Answers
...
Open a file from Cygwin
Is there an equivalent to OSX open command in cygwin. open opens a file with the default application for that type.
7 A...
Eclipse hangs on loading workbench
...T ALL YOUR PROJECTS, THERE ARE LESS DESTRUCTIVE ANSWERS HERE
Try the following:
Delete the .metadata folder in your local workspace (this is what worked for me). It seems that it contains a .LOCK file that if not properly closed, prevents eclipse from starting properly. On Unix based systems you ...
jquery input select all on focus
...$("input[type=text]").focus(function() {
var save_this = $(this);
window.setTimeout (function(){
save_this.select();
},100);
});
share
|
improve this answer
|
...
How To Launch Git Bash from DOS Command Line?
... Is there a way to type and an execute a command into the Git batch window after it's opened from within the batch file?
– Nick
Mar 28 '14 at 12:48
1
...
Java and SQLite [closed]
...
Cross-platform JDBC driver which uses embedded native SQLite libraries on Windows, Linux, OS X, and falls back to pure Java implementation on other OSes: https://github.com/xerial/sqlite-jdbc (formerly zentus)
Another Java - SWIG wrapper. It only works on Win32. http://rodolfo_3.tripod.com/index.ht...