大约有 9,000 项符合查询结果（耗时：0.0245秒） [XML]
Install a Python package into a different directory using pip?
...n the path, so if you something like PYTHONPATH=$PREFIX_PATH/lib/python2.6/site-packages pip freeze it should see them.
– Ian Bicking
Aug 3 '11 at 20:53
4
...
Is there a MySQL command to convert a string to lowercase?
...case. Is there an easy command to do this, either using MySQL or MySQL and PHP?
9 Answers
...
Javascript foreach loop on associative array object
...ceving, can you explain more on why not use var in loops? I come from C++/PHP background and I don't understand this. scoping does exist in the loop, but temporary, so I am not sure what you mean.
– Dennis
Jul 21 '16 at 21:33
...
Node.js: printing to console without a trailing newline?
...
This solved the opposite problem for me. console.log was printing \n literally when I wanted it to print a newline character.
– Paul
Feb 3 '14 at 16:59
...
Migration: Cannot add foreign key constraint
...ed after running migrate:make. E.g. 2014_05_10_165709_create_student_table.php.
The solution was to rename the file with the foreign key to an earlier time than the file with the primary key as recommended here: http://forumsarchive.laravel.io/viewtopic.php?id=10246
I think I also had to add in $t...
How to reload apache configuration for a site without restarting apache
I have edited the variable AllowOverride for one of my websites in sites-enabled directory. How do I reload the new configuration without restarting apache? Is it possible?
...
Counting null and non-null values in a single query
... You need to swap count_notnull and count_null, now it gives opposite results :)
– neu242
2 days ago
Difference between JSON.stringify and JSON.parse
...
They are the opposites of each other.
JSON.stringify()
JSON.stringify() serializes a JS object or value into a JSON string.
JSON.stringify({}); // '{}'
JSON.stringify(true); // 'true'
JSON.stringify('fo...
PDO support for multiple queries (PDO_MYSQL, PDO_MYSQLND)
...
As I know, PDO_MYSQLND replaced PDO_MYSQL in PHP 5.3. Confusing part is that name is still PDO_MYSQL. So now ND is default driver for MySQL+PDO.
Overall, to execute multiple queries at once you need:
PHP 5.3+
mysqlnd
Emulated prepared statements. Make sure PDO::ATTR_EM...
https URL with token parameter : how secure is it?
On our site, we provide to users a simulation based on their private information (given through a form). We would like to allow them to get back on their simulation results later, but without forcing them to create a login/password account.
...