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Should struct definitions go in .h or .c file?

...r version: #include "api.h" void good(struct s *foo) { api_func(foo, 123); } This one pokes around in the implementation details: #include "api.h" void bad(struct s *foo) { foo->internal = 123; } which will work with the "definition in header" version, but not with the "definition...
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下载器使用指导 · App Inventor 2 中文网

...积木中。 when 按钮1.Click() { 下载器1.Download("https://www.fun123.cn/static/images/logo.png", "") } when 下载器1.DownloadProgress(编号, 已下载, 总大小, 百分比) { 标签1.Text = join("已下载 ", 百分比, "%") } when 下载器1.DownloadCompleted(编号, 文件路径)...
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What is a non-capturing group in regular expressions?

... [] is a set; [123] matches any char inside the set once; [^123] matches anything NOT inside the set once; [^/\r\n]+ matches one or more chars that are different from /, \r, \n. – Ricardo Nolde Jun 5 ...
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Learning Regular Expressions [closed]

...ore characters, and terminated by a right-parenthesis. If your input is '(123) (456)', then the first capture will be '123'. Non-greedy quantifiers want to allow the rest of the pattern to start matching as soon as possible. (As to your confusion, I don't know of any regular-expression dialect whe...
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Fastest way to check if a string is JSON in PHP?

... $phone = '021234567'; var_dump(isJson($phone)); return true no! it should return false. – vee Jan 2 '14 at 17:12 ...
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Adding HTML entities using CSS content

...ppend an image, use "background-image" and display:inline-block; and width:123px; height:123px; (use exact width/height) – Nathan J.B. Oct 10 '13 at 4:42  |...
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Does every Javascript function have to return a value?

...s) to return void: void noReturn()//return type void { printf("%d\n", 123); return;//return nothing, can be left out, too } //in JS: function noReturn() { console.log('123');//or evil document.write return undefined;//<-- write it or not, the result is the same return;//<...
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Which is the preferred way to concatenate a string in Python?

... to a string, then to a list: a += b: 0.10780501365661621 a.append(b): 0.1123361587524414 OK, turns out that even when the resulting string is a million characters long, appending was still faster. Now let's try with appending a thousand character long string a hundred thousand times: a += b: 0...
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AngularJS $http and $resource

...hBen Lesh 104k4747 gold badges242242 silver badges231231 bronze badges 1 ...
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How to validate an OAuth 2.0 access token for a resource server?

... 123 Google way Google Oauth2 Token Validation Request: https://www.googleapis.com/oauth2/v1/tok...