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【拍照图片处理】Attempt to invoke virtual method 'boolean android.grap...
在做图片识别App的时候，选择相册图片没有问题，拍照后图片就报错：
Attempt to invoke virtual method 'boolean android.graphics.Bitmap.compress(android.graphics.Bitmap$CompressFormat, int, java.io.OutputStream)' on a null object reference
图片大致的处理流程是...
Iterate over each line in a string in PHP
...is defined as "\r\n", strtok will separate on either character - and as of PHP4.1.0, skip empty lines/tokens.
See the strtok manual entry:
http://php.net/strtok
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When to use single quotes, double quotes, and backticks in MySQL
...delimiter in date strings.
So using your example, I would double-quote the PHP string and use single quotes on the values 'val1', 'val2'. NULL is a MySQL keyword, and a special (non)-value, and is therefore unquoted.
None of these table or column identifiers are reserved words or make use of charac...
Should I mix AngularJS with a PHP framework? [closed]
...l when it comes to interactive HTML5 and model binding. On the other hand, PHP frameworks like Yii enable quick, well-structured, safe and powerful web application development. Both technologies provide sophisticated means for data access, iteration and page layouting.
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Difference between require, include, require_once and include_once?
In PHP:
25 Answers
25
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mysqli_fetch_assoc() expects parameter / Call to a member function bind_param() errors. How to get t
...s the reason. Unfortunately, by default such errors are not transferred to PHP, and all you've got is a cryptic error message mentioned above. Hence it is very important to configure PHP and MySQLi to report MySQL errors to you. And once you get the error message, fixing it will be a piece of cake....
What is the difference between client-side and server-side programming?
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| browser | | | web server |
| (JavaScript) | | | (PHP etc.) |
| | | | |
+--------------+ | +--------------+
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client side | server side
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<----------
HTML,...
PHP array delete by value (not key)
I have a PHP array as follows:
18 Answers
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How to retrieve Request Payload
I'm using PHP , ExtJS and ajax store .
2 Answers
2
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htmlentities() vs. htmlspecialchars()
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From the PHP documentation for htmlentities:
This function is identical to htmlspecialchars() in all ways, except with htmlentities(), all characters which have HTML character entity equivalents are translated into these entities....