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Get Image size WITHOUT loading image into memory

... As the comments allude, PIL does not load the image into memory when calling .open. Looking at the docs of PIL 1.1.7, the docstring for .open says: def open(fp, mode="r"): "Open an image file, without loading the raster data" There ar...
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Why use sprintf function in PHP?

... sprintf has all the formatting capabilities of the original printf which means you can do much more than just inserting variable values in strings. For instance, specify number format (hex, decimal, octal), number of decimals, padding a...
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Proper way to handle multiple forms on one page in Django

...ta. Include some hidden inputs if your froms don't have unique fields with all possible values being not empty. – Denis Otkidach Oct 24 '09 at 16:39 14 ...
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Multiple Updates in MySQL

...has new records then i will end up inserting only the ids and count except all other information. if and only if there is an entry for the id then it should update else it should skip. what shall i do? – Jayapal Chandran Aug 30 '10 at 13:30 ...
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“Code too large” compilation error in Java

...size for code in Java? I wrote a function with more than 10,000 lines. Actually, each line assigns a value to an array variable. ...
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Difference between RegisterStartupScript and RegisterClientScriptBlock?

...: a. When you use RegisterStartupScript, it will render your script after all the elements in the page (right before the form's end tag). This enables the script to call or reference page elements without the possibility of it not finding them in the Page's DOM. Here is the rendered source of the ...
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JavaScript and Threads

...onBat JavaScript Benchmark (first link) The Gears plugin can also be installed in Firefox. Safari 4, and the WebKit nightlies have worker threads: JavaScript Ray Tracer Chrome has Gears baked in, so it can do threads, although it requires a confirmation prompt from the user (and it uses a d...
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What is the difference between #import and #include in Objective-C?

... decent header files protect themselves against this anyway, so it's not really that much of a benefit. Basically, it's up to you to decide which you want to use. I tend to #import headers for Objective-C things (like class definitions and such) and #include standard C stuff that I need. For exampl...
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How to prevent gcc optimizing some statements in C?

...eeds. This has the advantage of just applying to a single function and not all functions defined in the same file. Usage example: void __attribute__((optimize("O0"))) foo(unsigned char data) { // unmodifiable compiler code } ...
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Laravel migration: unique key is too long, even if specified

... Specify a smaller length for your e-mail: $table->string('email', 250); Which is the default, actually: $table->string('email'); And you should be good. For Laravel 5.4 you can find a solution in this Laravel 5.4: Specified ...