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Why does C# allow {} code blocks without a preceding statement?

... The { ... } has at least the side-effect of introducing a new scope for local variables. I tend to use them in switch statements to provide a different scope for each case and in this way allowing me to define local variable with the same name...
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C++ “virtual” keyword for functions in derived classes. Is it necessary?

... The 'virtualness' of a function is propagated implicitly, however at least one compiler I use will generate a warning if the virtual keyword is not used explicitly, so you may want to use it if only to keep the compiler quiet. From a purely stylistic point-of-view, including the virtual keywo...
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Running karma after installation results in 'karma' is not recognized as an internal or external com

... I spent at least an hour scouring for a solution. I thought it was an .net framework issue. This solution will work even when you see the .net framework error: "MSBUILD : error MSB3428: Could not load the Visual C++ component "VCBuild.e...
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How to get POSTed JSON in Flask?

...nPieters, I was just making a statement about a peculiarity that bit me at least twice :-) But yes, normally I expect a function called .json() or .get_json() to return a valid JSON object representation, not a Python dict. I'm just looking at the name, and infer what might come out of it. ...
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Maximum filename length in NTFS (Windows XP and Windows Vista)?

...s a 260 maximum length for the Path+Filename. The drive+folder takes up at least 3 characters, so you end up with 257. share | improve this answer | follow | ...
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How to prevent page scrolling when scrolling a DIV element?

... Your manual scrolling is backwards on Firefox 10, at least on Linux and Mac. Seems to work correctly if you make that -e.detail, tested in Firefox (Mac, Linux), Safari (Mac), and Chromium (Linux). – Anomie Apr 5 '12 at 16:25 ...
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How to calculate the number of occurrence of a given character in each row of a column of strings?

... Sorry, I forgot about the -1. It only works if each line has at least one match, sapply(gregexpr("g", q.data$string), length). – savagent Aug 26 '14 at 4:42 ...
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Intellij reformat on file save

...uld do only a subset of the things that "Code > Reformat code" does (at least for Scala code). Why is that? – Thilo Aug 24 '16 at 0:02 ...
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Using Eloquent ORM in Laravel to perform search of database using LIKE

...ke statement. I'm not looking for a direct answer, but if someone could at least give me a direction to look in that'd be great! ...
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Get the index of the object inside an array, matching a condition

...g the array)? You cannot, something has to iterate through the array (at least once). If the condition changes a lot, then you'll have to loop through and look at the objects therein to see if they match the condition. However, on a system with ES5 features (or if you install a shim), that iterat...