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How to change the default charset of a MySQL table?
...stmt`;
END$$
CREATE PROCEDURE `change_character_set`(IN `charset` VARCHAR(64), IN `collation` VARCHAR(64))
BEGIN
DECLARE `done` BOOLEAN DEFAULT FALSE;
DECLARE `tab_name` VARCHAR(64);
DECLARE `charset_cursor` CURSOR FOR
SELECT `table_name` FROM `information_schema`.`tables`
WHERE `table_sch...
Pandas groupby: How to get a union of strings
... 1 0.749065 This
1 2 0.301084 is
2 3 0.463468 a
3 4 0.643961 random
4 1 0.866521 string
5 2 0.120737 !
In [6]: df.dtypes
Out[6]:
A int64
B float64
C object
dtype: object
When you apply your own function, there is not automatic exclusions of non-numeri...
How many threads can a Java VM support?
...mb --> 5687 threads
32 mb --> 5662 threads
48 mb --> 5610 threads
64 mb --> 5561 threads
96 mb --> 5457 threads
128 mb --> 5357 threads
192 mb --> 5190 threads
256 mb --> 5014 threads
384 mb --> 4606 threads
512 mb --> 4202 threads
768 mb --> 3388 threads
1024 mb --&...
How to profile a bash shell script slow startup?
... + gzip /tmp/test.tar
0.637042668 + rm /tmp/test.tar.gz
0.000823649 + (( 1 ))
0.000011314 + (( i-- ))
0.000006915 + tar -cf /tmp/test.tar -C / bin
0.016084482 + gzip /tmp/test.tar
0.627798263 + rm /tmp/test.tar.gz
0.001294946 + (( 1 ))
0.000...
How to generate a random string of a fixed length in Go?
...te, n)
for i := range b {
b[i] = letterBytes[rand.Int63() % int64(len(letterBytes))]
}
return string(b)
}
This works and is significantly faster, the disadvantage is that the probability of all the letters will not be exactly the same (assuming rand.Int63() produces all 63-bit ...
How to extract the year from a Python datetime object?
...ey thing to note is that the time components can differ between 32-bit and 64-bit pythons in some python versions (2.5.x tree I think). So you will find things like hour/min/sec on some 64-bit platforms, while you get hour/minute/second on 32-bit.
...
Determine which MySQL configuration file is being used
...qld.
Among all the other system calls, you will find something like:
stat64("/etc/my.cnf", 0xbfa3d7fc) = -1 ENOENT (No such file or directory)
stat64("/etc/mysql/my.cnf", {st_mode=S_IFREG|0644, st_size=4227, ...}) = 0
open("/etc/mysql/my.cnf", O_RDONLY|O_LARGEFILE) = 3
So, as you can see.....
Upload failed You need to use a different version code for your APK because you already have one wit
...
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Javascript parseInt() with leading zeros
...
The issue seems to have changed now in most browsers.
Firefox 51.0.1 (64-bit)
parseInt("09") // 9
Chrome 55.0.2883.95 (64-bit)
parseInt("09") // 9
Safari 10.0 (12602.1.50.0.10)
parseInt("09") // 9
=====
Recommended Practice
Having said that, just to be on the safer side and to ...
What is the difference between related SQLite data-types like INT, INTEGER, SMALLINT and TINYINT?
...g/fileformat.html, which says numbers are stored as compact varints / float64, and only blob and text is stored as strings
– phiresky
May 17 '19 at 10:12
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