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Max or Default?
... to get the Max value from a LINQ query that may return no rows? If I just do
17 Answers
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Compiling/Executing a C# Source File in Command Prompt
How do you compile and execute a .cs file from a command-prompt window?
15 Answers
15
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How to check if IEnumerable is null or empty?
...e<T> (or IQueryable<T>, although that's a different scenario). Doing so consumes the sequence, at least partially (although that still means it is consumed) - it might only need to read one element (especially if there is no predicate). As such, since sequences (IEnumerable<T>) do ...
try {} without catch {} possible in JavaScript?
... case those functions should not throw errors but return e.g. null and you do something like return func1() || func2() || func3();
– ThiefMaster
Apr 23 '11 at 13:08
53
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How to mark a build unstable in Jenkins when running shell scripts
...er plugin.
Instead of exiting with status 1 (which would fail the build), do:
if ($build_error) print("TESTS FAILED!");
Than in the post-build actions enable the Text Finder, set the regular expression to match the message you printed (TESTS FAILED!) and check the "Unstable if found" checkbox un...
What is a “feature flag”?
... it becomes visible to the public.
Here's a simple package that helps you do this in ASP.NET MVC land: https://github.com/cottsak/DevCookie (full disclosure: I'm the author)
Fowler also has a much longer article than the one linked above with a lot more details.
This post (on Fowler's site also) ...
AngularJS: Basic example to use authentication in Single Page Application
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angular.module('loginApp')
.factory('Auth', [ '$http', '$rootScope', '$window', 'Session', 'AUTH_EVENTS',
function($http, $rootScope, $window, Session, AUTH_EVENTS) {
authService.login() = [...]
authService.isAuthenticated() = [...]
authService.isAuthorized() = [...]
authService.logout() = [...]
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What are all the common undefined behaviours that a C++ programmer should know about? [closed]
...en destructed
Source file and Preprocessing
A non-empty source file that doesn't end with a newline, or ends with a backslash (prior to C++11)
A backslash followed by a character that is not part of the specified escape codes in a character or string constant (this is implementation-defined in C++...
How to create a drop-down list?
How can I create a drop-down list? I've tried a ScrollView but it's not exactly what I need.
9 Answers
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Are there constants in JavaScript?
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Note that if you don't need cross-browser compatibility (or you're server-side programming in Rhino or Node.js) you can use the const keyword. It's currently supported by all modern browsers except for IE.
– Husky
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