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Ruby Array find_first object?

...I also often find annoying that ruby documentation doesn't list methods of all inherited or included classes and modules. – Mladen Jablanović Mar 4 '10 at 17:33 4 ...
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Generating a list of which files changed between hg versions

... consider using the "x::y" (DAG - Directed Acyclic Graph) range. Given parallel changesets, 1--2---4 \---3 hg status --rev 1:4 would return (1,2,3,4), i.e. anything between and including the endpoints, according to the local, numerical rev. This might (and most probably will) return different...
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WebForms UnobtrusiveValidationMode requires a ScriptResourceMapping for 'jquery'. Please add a Scrip

...alidationSettings:UnobtrusiveValidationMode: Specifies how ASP.NET globally enables the built-in validator controls to use unobtrusive JavaScript for client-side validation logic. Type: UnobtrusiveValidationMode Default value: None Remarks: If this key value is set to "None" [de...
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Go naming conventions for const

...your const element exposed to other packages. If you use UpperCamelCase or ALL_CAPS you'll be exporting it outside of your package. For this reason, I stick to lowerCamelCase for private const variables, and I recall reading this recommendation from someone relatively close to the Go project (or per...
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When should I use Debug.Assert()?

...s for a while in C++ and C, but had no idea they existed in C# and .NET at all until recently. 20 Answers ...
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How to make a Bootstrap accordion collapse when clicking the header div?

... All you need to do is to to use... data-toggle="collapse" data-target="#ElementToExpandOnClick" ...on the element you want to click to trigger the collapse/expand effect. The element with data-toggle="collapse" will be...
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Representing null in JSON

...s of type undefined. JSON2 {"myCount": null} In this case, myCount is actually defined, albeit its value is null. This is not the same as both "not undefined and not null", and if you were testing for one condition or the other, this might succeed whereas JSON1 would fail. This is the definitive wa...
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REST API Token-based Authentication

...e over HTTP, I reasoned that we would dispense tokens to avoid repeatedly calling the authentication service. Which brings me neatly to my first question: ...
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entity object cannot be referenced by multiple instances of IEntityChangeTracker. while adding relat

... I might be missing something here, but in some ORMs (especially EntityFramework) the data context should always be shortlived. Introducing a static or re-used context will introduce a whole other set of challenges and problems. – Maritim Oct 13 ...
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Calculate MD5 checksum for a file

... { return md5.ComputeHash(stream); } } (I believe that actually the MD5 implementation used doesn't need to be disposed, but I'd probably still do so anyway.) How you compare the results afterwards is up to you; you can convert the byte array to base64 for example, or compare the by...