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How to read a text file reversely with iterator in C#

... as UTF-8) you will keep having to check whether you're in the middle of a character or not when you fetch data. There's nothing built into the framework, and I suspect you'd have to do separate hard coding for each variable-width encoding. EDIT: This has been somewhat tested - but that's not to s...
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Reliable method to get machine's MAC address in C#

...aces() where nic.OperationalStatus == OperationalStatus.Up select nic.GetPhysicalAddress().ToString() ).FirstOrDefault(); Or: String firstMacAddress = NetworkInterface .GetAllNetworkInterfaces() .Where( nic => nic.OperationalStatus == OperationalStatus.Up &&...
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MySQL - UPDATE query based on SELECT Query

...can go here ANSI SQL syntax: UPDATE tableA SET validation_check = (SELECT if(start_DTS > end_DTS, 'VALID', '') AS validation_check FROM tableA INNER JOIN tableB ON name_A = name_B WHERE id_A = tableA.id_A) Pick whichever one seems most natural to you. ...
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Bad class file magic or version

... an Android SDK you should specify at which SDK you refer... (In my case I selected Java 7 because I was using this version) But it depends in your case too. Search online for other errors with the same name, you'll find a lot of information – Marco Acierno Jan...
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Schema for a multilanguage database

...t PostGreSQL with hstore), you can't pass a parameter language, and say: SELECT ['DESCRIPTION_' + @in_language] FROM T_Products So you have to do this: SELECT Product_UID , CASE @in_language WHEN 'DE' THEN DESCRIPTION_DE WHEN 'SP' THEN DESCRIPTION_SP EL...
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How to get std::vector pointer to the raw data?

I'm trying to use std::vector as a char array. 3 Answers 3 ...
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How can you integrate a custom file browser/uploader with CKEditor?

...your callback function. Let's say you put it into $callback. When someone selects a file, run this JavaScript to inform CKEditor which file was selected: window.opener.CKEDITOR.tools.callFunction(<?php echo $callback; ?>,url) Where "url" is the URL of the file they picked. An optional thir...
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PHP function to get the subdomain of a URL

...rk in almost all cases, be aware that domains names might have more than 6 chars, like pvt.k12.ma.us, health.vn or even k12.ak.us. Also, domains names may be use Chinese or Russian character set so the regex part [a-z\.]{2,6} would not match them. Check out here to have example domains name: publics...
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Number of occurrences of a character in a string [duplicate]

I am trying to get the number of occurrences of a certain character such as & in the following string. 6 Answers ...
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When should I use perror(“…”) and fprintf(stderr, “…”)?

... perror(const char *s): prints the string you give it followed by a string that describes the current value of errno. stderr: it's an output stream used to pipe your own error messages to (defaults to the terminal). Relevant: char *stre...