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Repository Pattern vs DAL
...cts are grouped into aggregates, each with an aggregate root. E.g. PurchaseOrder is an aggregate root and OrderItems are children within the aggregate root. A repository only deals with aggregate roots. That is, a OrderItem for example is never loaded independently of it's aggreate root. So, you wou...
Length of a JavaScript object
...an break enumerations in various libraries. Adding methods to Object is usually safe, though.
Here's an update as of 2016 and widespread deployment of ES5 and beyond. For IE9+ and all other modern ES5+ capable browsers, you can use Object.keys() so the above code just becomes:
var size = Object...
Create Windows service from executable
...u'll (almost certainly) have to run the command prompt as Administrator in order for this command to work
– Jeutnarg
Aug 29 '16 at 21:10
2
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Guards vs. if-then-else vs. cases in Haskell
...
This is just a matter of ordering but I think its very readable and has the same structure as guards.
nthElement :: [a] -> Int -> Maybe a
nthElement [] a = Nothing
nthElement (x:xs) a = if a < 1 then Nothing else
if ...
The JPA hashCode() / equals() dilemma
... // this.getClass() == other.getClass()
// for the same reason. In order to support laziness PP might need to wrap
// my entity object in some kind of proxy, i.e. subclassing it.
@Override
public boolean equals(final Object obj) {
if (this == obj)
return true;...
Undo “git add ”?
...ers I staged with:
$ git add <dir>
Confirm directory unstaged
In order to confirm the removal of the directory and its contents from staging (ie "Changes to be committed"), run the below:
$ git status
or
$ git diff --staged --name-only
to confirm that none of the folders or files pr...
Why can't decimal numbers be represented exactly in binary?
...it without the direct support of processor circuitry is even worse, expect orders of magnitude differences in speed.
– Mark Ransom
Jan 27 '16 at 22:59
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When is a Java method name too long? [closed]
...leItems() and getEligibleItemsCount() next to each other in alphabetically ordered lists (e.g. autocompletion or javadoc)
– sfussenegger
Feb 9 '10 at 17:37
4
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Using ViewPagerIndicator library with Android Studio and Gradle
...ted answer didn't work for me. These are the slight changes I had to do in order to get ABS working in my project:
In the top level build.gradle file of your project add the maven repository in the allprojects config like this:
allprojects {
repositories {
maven { url "http://dl.bintray.c...
Grepping a huge file (80GB) any way to speed it up?
...
that was MUCH quicker by an order of magnitude thanks. BTW I added -n to get the line numbers. Also maybe a -m to exit after match
– zzapper
Dec 17 '12 at 12:55
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