大约有 20,000 项符合查询结果（耗时：0.0339秒） [XML]
How to remove multiple indexes from a list at the same time? [duplicate]
...re wasn't much hint on performance for the different ways so I performed a test on removing 5000 items from 50000 in all 3 generally different approaches, and for me numpy was the winner (if you have elements that fit in numpy):
7.5 sec for the enumerated list comprehension [4.5 sec on another PC]...
Can I store images in MySQL [duplicate]
... save as a blob, LONGBLOB datatype in mysql will work.
Ex:
CREATE TABLE 'test'.'pic' (
'idpic' INTEGER UNSIGNED NOT NULL AUTO_INCREMENT,
'caption' VARCHAR(45) NOT NULL,
'img' LONGBLOB NOT NULL,
PRIMARY KEY ('idpic')
)
As others have said, its a bad practice but it can be done. Not ...
How can I get the source code of a Python function?
...an one cell that contains functions you've just spent the day creating and testing....
– AGS
Jun 28 '16 at 13:22
1
...
C/C++ maximum stack size of program
... Haible's code and quotes in my new answer here, and shown how to manually test your own system using his code: stackoverflow.com/a/64085509/4561887.
– Gabriel Staples
yesterday
...
How to delete and replace last line in the terminal using bash?
...rc = restore cursor, el = erase to end of line
printf "Another message for testing"
sleep 1
tput rc;tput el
printf "Yet another one"
sleep 1
tput rc;tput el
Here's a little countdown script to play with:
#!/bin/bash
timeout () {
tput sc
time=$1; while [ $time -ge 0 ]; do
tput rc; ...
How to use dashes in HTML-5 data-* attributes in ASP.NET MVC
...ge - 1},
new CustomArgs( "prev", "yada" ) )%>
Just ideas, haven't tested it.
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How to send a JSON object over Request with Android?
...hing. If you're not sure what exactly the server wants, consider writing a test program to send various strings to the server until you know what format it needs to be in.
int TIMEOUT_MILLISEC = 10000; // = 10 seconds
String postMessage="{}"; //HERE_YOUR_POST_STRING.
HttpParams httpParams = new Ba...
Can “this” ever be null in Java?
...oc.html#14787. Substituting this for a null ref would indeed result in the test being false
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Rendering HTML inside textarea
...e textarea is the text as rendered. So you don't need to de-encode. I just tested this across browsers (ie back to 11).
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Query a parameter (postgresql.conf setting) like “max_connections”
...tatements:
SELECT current_setting('max_connections');
Related:
How to test my ad-hoc SQL with parameters in Postgres query window
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