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Why exactly is eval evil?
I know that Lisp and Scheme programmers usually say that eval should be avoided unless strictly necessary. I’ve seen the same recommendation for several programming languages, but I’ve not yet seen a list of clear arguments against the use of eval . Where can I find an account of the potentia...
Database sharding vs partitioning
... multiple instances or servers, using some kind of logic or identifier to know which instance or server to look for the data. An identifier of this kind is often called a "Shard Key".
A common, key-less logic is to use the alphabet to divide the data. A-D is instance 1, E-G is instance 2 etc. Custo...
Empty arrays seem to equal true and false at the same time
...comparison x ==
ToNumber(y).
The result of ToNumber(false) is 0, so we now have:
[] == 0
Again, rule #1 tells us to jump to step #14, but the next step that actually applies is #21:
21. If Type(x) is Object and Type(y) is either String or Number, return the
result of the comparison
To...
What it the significance of the Javascript constructor property?
...out Object.getPrototypeOf for so long that I have no burning desire for it now.
– Tim Down
Apr 12 '12 at 22:06
1
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Clone only one branch [duplicate]
I would like to know how I could clone only one branch instead of cloning the whole Git repository.
4 Answers
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Force update of an Android app when a new version is available
...
@SepGH things have changed since, and Android now offers an API which you can use to force the user to upgrade and block him from continuing using the app if he doesn't upgrade to a minimum version: developer.android.com/guide/app-bundle/in-app-updates
...
Parse string to DateTime in C#
...lines before so that is okay here.
Update: .ToDate() (without parameters) now defaults to all common date/time patterns of the thread's current culture.
Note that we need the result and dt together, because TryParseExact does not allow to use DateTime?, which we intend to return.
In C# Version 7 y...
What is your naming convention for stored procedures? [closed]
...ample, usp_AddProduct or usp_GetProductList, usp_GetProductDetail. However now the database is at 700 procedures plus, it becomes a lot harder to find all procedures on a specific object. For example i now have to search 50 odd Add procedures for the Product add, and 50 odd for the Get etc.
Because...
When should I use jQuery deferred's “then” method and when should I use the “pipe” method?
...lter the status and values of a deferred through a function, replacing the now-deprecated deferred.pipe() method.
The examples below might still be helpful to some.
They serve different purposes:
.then() is to be used whenever you want to work with the result of the process, i.e. as the documenta...
How to cherry pick a range of commits and merge into another branch?
...the comments:
This assumes that B is not a root commit; you'll get an "unknown revision" error otherwise.
Note: as of Git 2.9.x/2.10 (Q3 2016), you can cherry-pick a range of commit directly on an orphan branch (empty head): see "How to make existing branch an orphan in git".
Original answer (Jan...