大约有 48,000 项符合查询结果(耗时:0.0634秒) [XML]
Does Notepad++ show all hidden characters?
...
It's now View->Show Symbol->Show White Space and TAB (v6.8.8).
– bers
Feb 11 '16 at 14:57
9
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What is the worst gotcha in C# or .NET? [closed]
...pect, that would probably have been a good idea, but I think it's too late now. It might also have looked like I was just trying to get more rep...
– Jon Skeet
Oct 28 '08 at 6:20
1...
Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?
... evicted) than there is no problem with cache misses with matice2 either.
Now to go deeper in how caches works, if byte address of your variable is X, than the cache line for it would be (X >> 6) & (L - 1). Where L is total number of cache lines in your cache. L is always power of 2.
The...
No mapping found for field in order to sort on in ElasticSearch
...updating any libraries etc. but today I started getting this same error. I now added "ignore_unmapped" : true and it started to work again but strange thing is, what has happened behind the scene! Who knows! Anyway, it works now. +1
– BentCoder
May 19 '16 at 20...
“where 1=1” statement [duplicate]
...
Awesome. Now I can build my complex queries with strings rather than arrays ;). I did, however, want to verify with an EXPLAIN query whether it triggered "Using Where." Indeed, it does not.
– landons
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Node: log in a file instead of the console
...This was written around Node v0.2 and v0.4; There are much better utilites now around logging. I highly recommend Winston
Update Late 2013 - We still use winston, but now with a logger library to wrap the functionality around logging of custom objects and formatting. Here is a sample of our logger....
How connect Postgres to localhost server using pgAdmin on Ubuntu?
...-u postgres psql postgres
alter user postgres with password 'postgres';
Now connect to pgadmin using username postgres and password postgres
Now you can create roles & databases using pgAdmin
How to change PostgreSQL user password?
...
Android Get Current timestamp?
... * @return current time as a string.
*/
public static String getNow() {
Time now = new Time();
now.setToNow();
String sTime = now.format("%Y_%m_%d %T");
return sTime;
}
/**
* Get current time in human-readable form without spaces and special ch...
Converting JSON String to Dictionary Not List
...em 0 in the list, as shown below:
json1_data = json.loads(json1_str)[0]
Now you can access the data stored in datapoints just as you were expecting:
datapoints = json1_data['datapoints']
I have one more question if anyone can bite: I am trying to take the average of the first elements in ...
ipython reads wrong python version
...'ll be /usr/local/bin/ipython. Let's look inside:
Edit 9/7/16 -- The file now looks like this:
cat /usr/local/bin/ipython
#!/usr/bin/python
# -*- coding: utf-8 -*-
import re
import sys
from IPython import start_ipython
if __name__ == '__main__':
sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?...
