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How can I extract embedded fonts from a PDF as valid font files?

...iety of files: images as well as fonts. These include PNG, TTF, CFF, CID, etc. The image names will be like img-0412.png if the PDF object number of the image was 412. The fontnames will be like FGETYK+LinLibertineI-0966.ttf, if the font's PDF object number was 966. CFF (Compact Font Format) files ...
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How does RegexOptions.Compiled work?

...tatic methods on the Regex class. For example: Regex.Replace, Regex.Match etc.. all use the Regex cache. The size of the cache can be increased by setting Regex.CacheSize. It accepts changes in size any time during your application's life cycle. New regular expressions are only cached by the stat...
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How to build & install GLFW 3 and use it in a Linux project

...eone else, should propose a solution which does not just install lib files etc into the system default directories as these should be managed by package managers such as apt, and doing so may cause a conflict and break your package management system. See the new "2020 answer" for an alternative solu...
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What are the use cases for selecting CHAR over VARCHAR in SQL?

...tinct or union operation, or if it chooses a merge during it's query plan, etc. Move could also mean the time it takes to get the data from the server to my local pc or to another computer or wherever it is going to be consumed. But there is some overhead in using varchar. SQL Server has to use a...
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Why aren't python nested functions called closures?

...ariables to the inner function, modifying an object on the inner function, etc. In Python 3, support is more explicit - and succinct: def closure(): count = 0 def inner(): nonlocal count count += 1 print(count) return inner Usage: start = closure() start() # ...
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What is the difference between sigaction and signal?

... } // DO PROGRAM CLEANUP HERE, such as freeing memory, closing files, etc. exit(signal); } /// @brief Set a new signal handler action for a given signal /// @details Only update the signals with our custom handler if they are NOT set to "signal ignore" (`SIG_IGN`), /// ...
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What is DOM Event delegation?

...cells (and not table headers, or the whitespace within a row around cells, etc.). It's also useful when you're going to be adding and removing elements from the container, because you don't have to worry about adding and removing event handlers on those elements; just hook the event on the containe...
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How much is the overhead of smart pointers compared to normal pointers in C++?

...plementation details and CPU architecture for write barriers, atomic locks etc. once listening you will never talk about this feature being cheap. If you just want a proof of the magnitude slower, skip the first 48 minutes and watch him running example code which runs upto 180 times slower (compiled...
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Greedy vs. Reluctant vs. Possessive Quantifiers

...tring to be checked. If that doesn't work, it trims off another character, etc. So a greedy quantifier checks possible matches in order from longest to shortest. A reluctant quantifier tells the engine to start with the shortest possible piece of the string. If it matches, the engine can continue; i...
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How to “warm-up” Entity Framework? When does it get “cold”?

...Entity Framework gets "cold" again? (Recompilation, Recycling, IIS Restart etc.) Basically, every time you lose your AppDomain. IIS performs restarts every 29 hours, so you can never guarantee that you'll have your instances around. Also after some time without activity the AppDomain is also shut ...