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How to check the version before installing a package using apt-get?

...14dfcf8b716bad4e6d04ad8452fe1627d Description-en: Persistent key-value database with network interface Redis is a key-value database in a similar vein to memcache but the dataset is non-volatile. Redis additionally provides native support for atomically manipulating and querying data structures s...
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How to get started with developing Internet Explorer extensions?

... hand;' onclick='javascript:FncAddedByAddon()' title='Click to open script based alert window.'>" + TextToHighlight + "</span>"); var newNode = document2.createElement("span"); newNode.innerHTML = newText; d...
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Rounding up to next power of 2

... Check the Bit Twiddling Hacks. You need to get the base 2 logarithm, then add 1 to that. Example for a 32-bit value: Round up to the next highest power of 2 unsigned int v; // compute the next highest power of 2 of 32-bit v v--; v |= v >> 1; v |= v >> 2; v ...
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How to use http.client in Node.js if there is basic authorization

...c in this case and the username:password combination which gets encoded in Base64: var username = 'Test'; var password = '123'; var auth = 'Basic ' + Buffer.from(username + ':' + password).toString('base64'); // new Buffer() is deprecated from v6 // auth is: 'Basic VGVzdDoxMjM=' var header = {'Ho...
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C# - how to determine whether a Type is a number

... How can you downvote me on an answer based on current technology. Maybe in .NET 62, int will be removed - are you going to downvote all answers with int? – Philip Wallace Nov 27 '09 at 19:09 ...
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现实版《道士下山》:道长老梁的四面人生 - 轻松一刻 - 清泛网 - 专注C/C++...

...空拍下来,发到微博上。有一天,他连着发了11张天空的图片,每张都配上了一句自己写的诗,“山水悠然道写意,云天一色画无边。” 终南山上有山泉,滋养了各种野生果树。老梁熟悉每一种果子。他挖山药豆、采槐花、吃...
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What is uint_fast32_t and why should it be used instead of the regular int and uint32_t?

...so: Exotic architectures the standards committees care about. My opinion-based pragmatic view of integer types in C and C++. share | improve this answer | follow ...
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Git Extensions: Win32 error 487: Couldn't reserve space for cygwin's heap, Win32 error 0

...solution here http://jakob.engbloms.se/archives/1403 c:\msysgit\bin>rebase.exe -b 0x50000000 msys-1.0.dll For me solution was slightly different. It was C:\Program Files (x86)\Git\bin>rebase.exe -b 0x50000000 msys-1.0.dll Before you rebase dlls, you should make sure it is not in use: ...
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Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C

...a list of many others) is that it tends to artificially favor lookup table based solutions. Since the benchmark is repeating the one operation in a loop, it will often find that using a lookup table that just fits in L1 is the fastest, because everything will hit in L1 every time since there is no c...
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Why are floating point numbers inaccurate?

...ould like to stress how much the representation of a number depends on the base you are working in. Consider the fraction 2/3 In good-ol' base 10, we typically write it out as something like 0.666... 0.666 0.667 When we look at those representations, we tend to associate each of them with the ...