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Never seen before C++ for loop

...#. In my opinion it is clearer, less of a trap for new programmers, and equally efficient. As others have pointed out -- but to make my answer complete -- to make it work in C# you would need to change while(u--) to while(u-- != 0). ... or while(u-- >0) just in case u starts off negative. (OK, ...
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How do I read the source code of shell commands?

... All these basic commands are part of the coreutils package. You can find all information you need here: http://www.gnu.org/software/coreutils/ If you want to download the latest source, you should use git: git clone git:/...
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How to get the Display Name Attribute of an Enum member via MVC razor code?

I've got a property in my model called "Promotion" that its type is a flag enum called "UserPromotion". Members of my enum have display attributes set as follows: ...
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Intellij IDEA crashed, and now throws an error

...r IntelliJ version (This directory is "caches" in some versions.) Remove all the files in the cache directory. Then restart IntelliJ[AndroidStudio] This has worked for me in the past. share | im...
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What's the difference between --general-numeric-sort and --numeric-sort options in gnu sort

... General numeric sort compares the numbers as floats, this allows scientific notation eg 1.234E10 but is slower and subject to rounding error (1.2345678 could come after 1.2345679), numeric sort is just a regular alphabetic sort that knows 10 comes after 9. See http://www.gnu.o...
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What does |= (single pipe equal) and &=(single ampersand equal) mean

...icit cast, and the target variable is only evaluated once, but that's basically the gist of it. In terms of the non-compound operators, & is a bitwise "AND" and | is a bitwise "OR". EDIT: In this case you want Folder.Attributes &= ~FileAttributes.System. To understand why: ~FileAttribute...
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UITableView set to static cells. Is it possible to hide some of the cells programmatically?

...imated:YES]; Note to always use only (reloadDataAnimated:YES/NO) (dont call [self.tableView reloadData] directly) This doesn't use the hacky solution with setting height to 0 and allows you to animate the change and hide whole sections ...
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NHibernate.MappingException: No persister for: XYZ

... Something obvious, yet quite useful for someone new to NHibernate. All XML Mapping files should be treated as Embedded Resources rather than the default Content. This option is set by editing the Build Action attribute in the file's properties. XML files are then embedded into the assembly,...
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Remove leading zeros from a number in Javascript [duplicate]

...console.log(`Subtracting zero conversion result: ${parsedNumber}`); All results will be incorrect. That's because, when converted, the numString value is greater than Number.MAX_SAFE_INTEGER. i.e., 99999999999999999999 > 9007199254740991 This means all operation performed with the as...
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Why must jUnit's fixtureSetup be static?

...this exception saying it must be static. What's the rationale? This forces all my init to be on static fields, for no good reason as far as I see. ...