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What is the use of the @ symbol in PHP?
...esses errors.
See Error Control Operators in the manual:
PHP supports one error control operator: the at sign (@). When prepended to an expression in PHP, any error messages that might be generated by that expression will be ignored.
If you have set a custom error handler function with set...
How do you stop Console from popping up automatically in Eclipse
... the console toolbar at the bottom that allow you to take focus (or not)...one for stdout, one for stderr. I have an image with the buttons circled.
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Regex not operator
...the {4} outside the lookahead and in this comment you put it inside: which one did you try? Also: if you want (20019) to match, then you must add the \) inside your lookahead: \((?![\d]{4}\))[0-9a-zA-z _\.\-:]+\)
– Joachim Sauer
Sep 6 '11 at 9:00
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How to print out the method name and line number and conditionally disable NSLog?
...y ALog+DLog code with ULog as well. Very useful.
– neoneye
Sep 15 '11 at 14:34
This code causes an unused variable err...
What is Data Transfer Object?
...fer Object is an object that is used to encapsulate data, and send it from one subsystem of an application to another.
DTOs are most commonly used by the Services layer in an N-Tier application to transfer data between itself and the UI layer. The main benefit here is that it reduces the amount of ...
What's the difference(s) between .ToList(), .AsEnumerable(), AsQueryable()?
...nly use a restricted number of methods. So if, for example, we need to use one of our own methods in a query we would typically write something like
var query = context.Observations.Select(o => o.Id)
.AsEnumerable().Select(x => MySuperSmartMethod(x))
ToList – which conve...
Java Delegates?
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But see my example here of what one would do, even in Java 7, to accomplish the equivalent to a C# delegate.
– ToolmakerSteve
Jun 18 '15 at 21:36
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How to efficiently build a tree from a flat structure?
...ind a npm module which implements a O(n) solution, I created the following one (unit tested, 100% code coverage, only 0.5 kb in size and includes typings. Maybe it helps someone: npmjs.com/package/performant-array-to-tree
– Philip Stanislaus
May 7 '17 at 17:29
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Selecting multiple classes with jQuery
...t seem to find out how to select all elements matching certain classes in one jQuery selector statement such as this:
4 Ans...
How to set warning level in CMake?
...st too many warnings to list them all explicitely. If you want to unify it one way to do thatis two separate cmake_level - unified set of warnings, based for instance on clang, and native_level with the meaning specific for a compiler. One of them can be probably shortened to level. Sorry if I did n...