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How can I stage and commit all files, including newly added files, using a single command?
...git add documentation):
-A, --all, --no-ignore-removal
Update the index not only where the working tree has a file matching but also where the index already has an
entry. This adds, modifies, and removes index entries to match the
working tree.
If no <pathspec> is given when...
IN vs OR in the SQL WHERE Clause
... is faster.
I tried both on a MySQL with 1000000 rows. When the column is indexed there is no discernable difference in performance - both are nearly instant. When the column is not indexed I got these results:
SELECT COUNT(*) FROM t_inner WHERE val IN (1000, 2000, 3000, 4000, 5000, 6000, 7000, 80...
Why is nginx responding to any domain name?
...
The first server block in the nginx config is the default for all requests that hit the server for which there is no specific server block.
So in your config, assuming your real domain is REAL.COM, when a user types that in, it will resolve to your server, and since there is no server block ...
How to compute the similarity between two text documents?
... document, "The scikit-learn docs are Orange and Blue". This document has index 4 in corpus. You can find the index of the most similar document by taking the argmax of that row, but first you'll need to mask the 1's, which represent the similarity of each document to itself. You can do the latte...
How do I pass a unique_ptr argument to a constructor or a function?
...ew to move semantics in C++11 and I don't know very well how to handle unique_ptr parameters in constructors or functions. Consider this class referencing itself:
...
Change MySQL default character set to UTF-8 in my.cnf?
...on) sets those to utf8 as well.
Caveat:
If you had a utf8 table with an index column of type VARCHAR(255), it can't be converted in some cases, because the maximum key length is exceeded (Specified key was too long; max key length is 767 bytes.). If possible, reduce the column size from 255 to 19...
Fast way of counting non-zero bits in positive integer
...seander/bithacks.html#CountBitsSetTable
POPCOUNT_TABLE16 = [0] * 2**16
for index in range(len(POPCOUNT_TABLE16)):
POPCOUNT_TABLE16[index] = (index & 1) + POPCOUNT_TABLE16[index >> 1]
def popcount32_table16(v):
return (POPCOUNT_TABLE16[ v & 0xffff] +
POPCOUNT...
Should you choose the MONEY or DECIMAL(x,y) datatypes in SQL Server?
...e correlations, and changing that to money gives wrong results.
select t1.index_id,t2.index_id,(avg(t1.monret*t2.monret)
-(avg(t1.monret) * avg(t2.monret)))
/((sqrt(avg(square(t1.monret)) - square(avg(t1.monret))))
*(sqrt(avg(square(t2.monret)) - square(avg(t2.monret))))...
Passing parameters to addTarget:action:forControlEvents
...actly you try to do, but considering you want to assign a specific details index to each button you can do the following:
set a tag property to each button equal to required index
in switchToNewsDetails: method you can obtain that index and open appropriate deatails:
- (void)switchToNewsDetails:(...
Test if a string contains any of the strings from an array
...rt org.apache.commons.lang.StringUtils;
String Utils
Use:
StringUtils.indexOfAny(inputString, new String[]{item1, item2, item3})
It will return the index of the string found or -1 if none is found.
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