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Check if a temporary table exists and delete if it exists before creating a temporary table
I am using the following code to check if the temporary table exists and drop the table if it exists before creating again. It works fine as long as I don't change the columns. If I add a column later, it will give an error saying "invalid column". Please let me know what I am doing wrong.
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Import file size limit in PHPMyAdmin
I have changed all the php.ini parameters I know:
upload_max_filesize , post_max_size .
27 Answers
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Run php script as daemon process
I need to run a php script as daemon process (wait for instructions and do stuff). cron job will not do it for me because actions need to be taken as soon as instruction arrives. I know PHP is not really the best option for daemon processes due to memory management issues, but due to various reasons...
How to fix “Headers already sent” error in PHP
... / setrawcookie
Output can be:
Unintentional:
Whitespace before <?php or after ?>
The UTF-8 Byte Order Mark specifically
Previous error messages or notices
Intentional:
print, echo and other functions producing output
Raw <html> sections prior <?php code.
Why does it...
十张图读懂 PHP、Python、 Ruby 三大语言的差异 - 更多技术 - 清泛网 - 专...
十张图读懂 PHP、Python、 Ruby 三大语言的差异php-vs-python-vs-ruby-comparison图1、PHP vs Python vs Ruby: 市场份额Winner - PHP图2、PHP vs Python vs Ruby: 主流网站使用情况Winner - 平局图3、PHP v 图1、PHP vs Python vs Ruby: 市场份额
Winner - PHP
图2、P...
PHP - how to best determine if the current invocation is from CLI or web server?
I need to determine whether the current invocation of PHP is from the command line (CLI) or from the web server (in my case, Apache with mod_php).
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How do I add PHP code/file to HTML(.html) files?
I can't use PHP in my HTML pages. For example, index.html . I've tried using both:
12 Answers
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Delete column from SQLite table
...make more complex changes in the structure of a table, you
will have to recreate the table. You can save existing data to a
temporary table, drop the old table, create the new table, then copy
the data back in from the temporary table.
For example, suppose you have a table named "t1" with...
What's the maximum value for an int in PHP?
... work with very big numbers, what's the largest int value you can store in PHP?
8 Answers
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How does #include work in C++? [duplicate]
... e.g. GCC 4.8.0 /bits/stdc++.h source.
Using it would include a lot of unnecessary stuff and increases compilation time.
Edit: As Neil says, it's an implementation for precompiled headers. If you set it up for precompilation correctly it could, in fact, speed up compilation time depending on your ...