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Square retrofit server mock for testing
...Requests for Testing
As the old mechanisms like creating MockClient class and implementing it from Client are not working anymore with Retrofit 2.0, here I describe a new way of doing that. All what you need to do now is to add your custom interceptors for OkHttpClient like it is shown below. FakeI...
SQL Add foreign key to existing column
If I am using the following SQL command in SQL Server 2008 to update a table with a foreign key constraint:
6 Answers
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Find object in list that has attribute equal to some value (that meets any condition)
... None)
This gets the first item from the list that matches the condition, and returns None if no item matches. It's my preferred single-expression form.
However,
for x in test_list:
if x.value == value:
print("i found it!")
break
The naive loop-break version, is perfectly Pytho...
How to get the unique ID of an object which overrides hashCode()?
...iginal memory address for this object, but that's an implementation detail and you shouldn't rely on it.
EDIT: Answer modified following Tom's comment below re. memory addresses and moving objects.
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MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update
as the title says, I want to perform a find (one) for a document, by _id, and if doesn't exist, have it created, then whether it was found or was created, have it returned in the callback.
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How do you obtain a Drawable object from a resource id in android package?
...way to use the code below (or something like it) to get an object from the android.R.drawable.* package?
6 Answers
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Android ViewPager with bottom dots
...ly viewpager with tablayout.
Your main Layout:
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.v4.view.Vi...
MySQL Creating tables with Foreign Keys giving errno: 150
...e the primary keys in 2 other tables, but I am getting an errno: 150 error and it will not create the table.
20 Answers
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How to delete object from array inside foreach loop?
I iterate through an array of objects and want to delete one of the objects based on it's 'id' property, but my code doesn't work.
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Reference alias (calculated in SELECT) in WHERE clause
...x (or costly to calculate) you should probably consider a computed column (and perhaps persisted) instead, especially if a lot of queries refer to this same expression.
PS your fears seem unfounded. In this simple example at least, SQL Server is smart enough to only perform the calculation once, ev...