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String concatenation: concat() vs “+” operator

...ing a = "abc"; public String b = "xyz"; public String c = "123"; } @org.openjdk.jmh.annotations.State(Scope.Thread) public static class State4 { public String a = "abc"; public String b = "xyz"; public String c = "123"; public String d = ...
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Python argparse mutual exclusive group

... answered Dec 28 '14 at 10:38 Oz123Oz123 21.4k2222 gold badges9494 silver badges163163 bronze badges ...
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Get users by name property using Firebase

...: Write to Firebase with a unique, known key: ref.child('users').child('123').set({ "first_name": "rob", "age": 28 }) Append to lists with an auto-generated key that will automatically sort by time written: ref.child('users').push({ "first_name": "rob", "age": 28 }) Listen for changes in data ...
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How can I capitalize the first letter of each word in a string?

...uld you make an addition to your answer that demonstrates this? E.g. lower 123 upper should return lower 123 Upper, where the upper is capitalized as it follows a number. I know it goes beyond the scope of the OP's question but a nice add-on to your already extensive answer. Thanks in advance. ...
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What does multicore assembly language look like?

..._multicorec https://github.com/dwelch67/raspberrypi/tree/a09771a1d5a0b53d8e7a461948dc226c5467aeec/multi00 https://github.com/LdB-ECM/Raspberry-Pi/blob/3b628a2c113b3997ffdb408db03093b2953e4961/Multicore/SmartStart64.S https://github.com/LdB-ECM/Raspberry-Pi/blob/3b628a2c113b3997ffdb408db03093b2953e49...
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How to handle AccessViolationException

...rogram { static void InvokeCse() { IntPtr ptr = new IntPtr(123); System.Runtime.InteropServices.Marshal.StructureToPtr(123, ptr, true); } private static void ExecInThisDomain() { try { var o = new BoundaryLessExecHelper(); ...
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Split comma-separated strings in a column into separate rows

...me number of strings. i.e. data.table(id= "X21", a = "chr1;chr1;chr1", b="123;133;134",c="234;254;268") becoming data.table(id = c("X21","X21",X21"), a=c("chr1","chr1","chr1"), b=c("123","133","134"), c=c("234","254","268")) ? – Reilstein Jan 19 '19 at 1:39 ...
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Static variables in JavaScript

...ction Podcast() { // private variables var _somePrivateVariable = 123; // object properties (read/write) this.title = 'Astronomy Cast'; this.description = 'A fact-based journey through the galaxy.'; this.link = 'http://www.astronomycast.com'; // for read access to _som...
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facebook: permanent Page Access Token?

...your browser. The response should look like this: {"access_token":"ABC123","token_type":"bearer","expires_in":5183791} "ABC123" will be your long-lived access token. You can put it into the Access Token Debugger to verify. Under "Expires" it should have something like "2 months". 3. Get User...
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printf with std::string?

...r example: std::locale loc(""); std::cout.imbue(loc); std::cout << 123456.78; The nameless locale (the "") picks a locale based on the user's configuration. Therefore, on my machine (configured for US English) this prints out as 123,456.78. For somebody who has their computer configured fo...