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Git 工具 - 子模块(submodule):一个仓库包含另一个仓库 - 开源 & Github -...

.../src/main.c @@ -245,6 +245,8 @@ static int handle_alias(int *argcp, const char ***argv) commit_pager_choice(); + url = url_decode(url_orig); + /* build alias_argv */ alias_argv = xmalloc(sizeof(*alias_argv) * (argc + 1)); alias_argv[0] = alias_string + 1; Ente...
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Best way to select random rows PostgreSQL

I want a random selection of rows in PostgreSQL, I tried this: 12 Answers 12 ...
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Is Using .NET 4.0 Tuples in my C# Code a Poor Design Decision?

...pport for tuples in C#: private var GetDesserts() { return _icecreams.Select( i => new { icecream = i, topping = new Topping(i) } ); } public void Eat() { foreach (var dessert in GetDesserts()) { dessert.icecream.AddTopping(dessert.topping); dessert.Eat()...
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Remove all special characters from a string [duplicate]

...t titles that could contain anything and have them stripped of all special characters so they only have letters and numbers and of course I would like to replace spaces with hyphens. ...
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On select change, get data attribute value

... You need to find the selected option: $(this).find(':selected').data('id') or $(this).find(':selected').attr('data-id') although the first method is preferred. shar...
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Getting a File's MD5 Checksum in Java

... byte data[] = org.apache.commons.codec.digest.DigestUtils.md5(fis); char md5Chars[] = Hex.encodeHex(data); String md5 = String.valueOf(md5Chars);` – Dmitry_L Jul 17 '13 at 10:45 ...
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Memory footprint of Haskell data types

...e) which take 2. GHC actually has a cache of small values of type Int and Char, so in many cases these take no heap space at all. A String only requires space for the list cells, unless you use Chars > 255. An Int8 has identical representation to Int. Integer is defined like this: data Integ...
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How to read data when some numbers contain commas as thousand separator?

...thod using the setAs function like so: setClass("num.with.commas") setAs("character", "num.with.commas", function(from) as.numeric(gsub(",", "", from) ) ) Then run read.csv like: DF <- read.csv('your.file.here', colClasses=c('num.with.commas','factor','character','numeric','num.w...
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What's the magic of “-” (a dash) in command-line parameters?

.../home | aescrypt -e -p apples -o backup_files.tar.aes - because the piping char | should make the presence of the last dash unnecessary. But without the last dash the command fails. Sounds illogical. Can someone please give me a reference where the naked dash meaning in command lines is explained. I...
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Efficient way to determine number of digits in an integer

...cialization optimization for 8-bit numbers template <> int numDigits(char n) { // if you have the time, replace this with a static initialization to avoid // the initial overhead & unnecessary branch static char x[256] = {0}; if (x[0] == 0) { for (char c = 1; c != 0...