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GLib compile error (ffi.h), but libffi is installed

... If you have a Debian-based Linux OS with apt-get: sudo apt-get install libffi-dev With a Redhat-base OS: yum install libffi-devel With Alpine Linux: apk add libffi-dev ...
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Why would I ever use push_back instead of emplace_back?

...d construct it directly in place with no copies or moves. This may be true based on the code as written in standard libraries, but it makes the mistaken assumption that the optimizing compiler's job is to generate the code you wrote. The optimizing compiler's job is actually to generate the code you...
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.NET data structures: ArrayList, List, HashTable, Dictionary, SortedList, SortedDictionary — Speed,

...d with List<T> for standard collections and Collection<T> as a base class for custom collections. Hashtable has been largely replaced by Dictionary<TKey, TValue>. I would recommend avoiding ArrayList and Hashtable for new code. – Sam Harwell M...
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Difference between encoding and encryption

...ters to be transmitted safely, so it may be necessary to encode data using base64 (uses only letters, numbers and two safe characters). When encoding or decoding, the emphasis is placed on everyone having the same algorithm, and that algorithm is usually well-documented, widely distributed and fair...
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What is Cache-Control: private?

...st has to be a something. If I'm pulling a list of products out of a database, the server can send the last rowversion as an ETag, rather than a date: 200 OK ETag: "247986" My ETag can be the SHA1 hash of a static resource (e.g. image, js, css, font), or of the cached rendered page (i.e. this i...
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How do I use prepared statements in SQlite in Android?

...repared statements in Android all the time, it's quite simple : SQLiteDatabase db = dbHelper.getWritableDatabase(); SQLiteStatement stmt = db.compileStatement("INSERT INTO Country (code) VALUES (?)"); stmt.bindString(1, "US"); stmt.executeInsert(); ...
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Stack smashing detected

...-0x8(%rbp), # which is right at the bottom of the stack. 400581: 64 48 8b 04 25 28 00 mov %fs:0x28,%rax 400588: 00 00 40058a: 48 89 45 f8 mov %rax,-0x8(%rbp) 40058e: 31 c0 xor %eax,%eax char arr[] = {'a', 'b', 'c', 'd'...
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Advances social tools app with cool UI - Koded Apps - Kodular Community

...loader-image"); if (splashImage) { splashImage.src = "data:image/svg+xml;base64,".concat(encodedSvg); const connectStart = performance.timing.connectStart || 0; const targetTime = connectStart + DELAY_TARGET; let splashInterval; let discourseReady; const swapSplash = () => { splashWr...
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How to install therubyracer gem on 10.10 Yosemite?

...ll bundle exec rake clean build binary gem install pkg/libv8-3.16.14.3-x86_64-darwin-12.gem #note that libv8 version may change, so tab through files in pkg/, also remember to use the one with version specified then just bundle your project gems this is the only way it worked for me on 10.10 (rub...
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Unable to load SOS in WinDbg

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...