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When should you use constexpr capability in C++11?

...t b ) { return a * b; } const int meaningOfLife = MeaningOfLife( 6, 7 ); Now you have something that can be evaluated down to a constant while maintaining good readability and allowing slightly more complex processing than just setting a constant to a number. It basically provides a good aid to ma...
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How to handle multiple cookies with the same name?

...: this information from 2010 appears to be outdated, it seems browsers can now send multiple cookies in return, see answer by @Nate below for details share | improve this answer | ...
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How can I get the last day of the month in C#? [duplicate]

... as an Extension method on dateTime class which you can invoke on DateTime.Now. For ex. DateTime.Now.LastDayOfMonth(); – Unmesh Kondolikar Jan 11 '11 at 7:25 1 ...
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How to check if an appSettings key exists?

...ager.AppSettings if (ConfigurationManager.AppSettings[name] != null) { // Now do your magic.. } or string s = ConfigurationManager.AppSettings["myKey"]; if (!String.IsNullOrEmpty(s)) { // Key exists } else { // Key doesn't exist } ...
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Android SDK Manager Not Installing Components

...ure what I'm doing wrong here. I installed the Android SDK Manager, and am now trying to install a platform like the Android Dev website suggests. Once I clicked install I got an error stating that the Manager could not create a temp folder within the Android directory. So I created it. Now I'm gett...
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Expand/collapse section in UITableView in iOS

... headers that are already there will be a pain. Based on the way they work now, I am not sure you can easily get actions out of them. You could set up a cell to LOOK like a header, and setup the tableView:didSelectRowAtIndexPath to manually expand or collapse the section it is in. I'd store an arra...
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html5 localStorage error with Safari: “QUOTA_EXCEEDED_ERR: DOM Exception 22: An attempt was made to

...n my code. Please actually point out the fix to the problem you appear to know about. – Novocaine Oct 20 '15 at 8:51 7 ...
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What is “2's Complement”?

...ition and subtraction remains difficult. So along comes two's complement. Now you can store positive and negative integers and perform arithmetic with relative ease. There are a number of methods to convert a number into two's complement. Here's one. Convert Decimal to Two's Complement Convert t...
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How to resolve “local edit, incoming delete upon update” message

...nd commited first. As a good svn citizen you do an update before a commit. Now you have a conflict. Realising that deleting the file is the right thing to do you delete the file from your working copy. Instead of being content svn now complains that the local files are missing and that there is a co...
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Combining multiple commits before pushing in Git [duplicate]

... Anyone know if you can have a multiple lined commit msg in your "pick" line, or will it confuse the parser? – EhevuTov Oct 9 '14 at 20:44 ...