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C++及Windows异常处理(try,catch; __try,__finally, __except) - C/C++ - ...

... int* p = 0x00000000; // pointer to NULL puts( "hello "); __try{ puts( "in try "); __try{ puts( "in try "); *p = 13; // causes an access violation exception; }__finally{ ...
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Iterate through options

... Your HTML Code <select id="mySelectionBox"> <option value="hello">Foo</option> <option value="hello1">Foo1</option> <option value="hello2">Foo2</option> <option value="hello3">Foo3</option> </select> You JQuery Code $(...
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Listening for variable changes in JavaScript

...lue}`); target[key] = value; return true; } }); targetProxy.hello_world = "test"; // console: 'hello_world set to test' The only drawbacks of the Proxy object are: The Proxy object is not available in older browsers (such as IE11) and the polyfill cannot fully replicate Proxy fun...
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What's the difference between a proc and a lambda in Ruby?

...'&' tells ruby to turn the proc into a block proc = Proc.new { puts "Hello World" } proc.call # Lambda Examples lam = lambda { |x| puts x*2 } [1,2,3].each(&lam) lam = lambda { puts "Hello World" } lam.call Differences between Procs and Lambdas Before I get int...
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How to remove all white space from the beginning or end of a string?

... string a = " Hello "; string trimmed = a.Trim(); trimmed is now "Hello" share | improve this answer | follow...
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How to check if a file contains a specific string using Bash

...ng on the result of search. 0 if something was found; 1 otherwise. $ echo hello | grep hi ; echo $? 1 $ echo hello | grep he ; echo $? hello 0 $ echo hello | grep -q he ; echo $? 0 You can specify commands as an condition of if. If the command returns 0 in its exitcode that means that the conditi...
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What is Rack middleware?

...env) [200, {"Content-Type" => "application/json"}, ['{ "message" : "Hello!" }']] end end map '/hello.json' do run JSONServer.new end As the convention specifies our server has a method called call that accepts an environment hash and returns an array with the form [status, headers, bod...
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Merging 2 branches together in GIT

... Say the file in A contained the word "hello", the A amended it to "HELLO" and B amended it to "Hello world". What would be the outcome of merging these files? – dotty Aug 4 '10 at 10:23 ...
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What is SuppressWarnings (“unchecked”) in Java?

...ans of type erasure. For instance, the following code. List<String> hello = List.of("a", "b"); String example = hello.get(0); Is compiled to the following. List hello = List.of("a", "b"); String example = (String) hello.get(0); And List.of is defined as. static <E> List<E> o...
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URLEncoder not able to translate space character

... have to replace it, e.g.: System.out.println(java.net.URLEncoder.encode("Hello World", "UTF-8").replace("+", "%20")); share | improve this answer | follow |...