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Razor MVC Populating Javascript array with Model Array
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@mmcrae, @d is declared inside the foreach loop. Notice the d has the term VAR in front. That enables it to be used inside the foreach loop
– JhWebDev
Apr 4 '19 at 16:45
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Django dynamic model fields
...tegrates with Django admin;
At the same time being really powerful.
Downsides:
Not very efficient. This is more of a criticism of the EAV pattern itself, which requires manually merging the data from a column format to a set of key-value pairs in the model.
Harder to maintain. Maintaining data...
Explain ExtJS 4 event handling
...e are equivalent) were created. So, for example, if we have html:
<div id="test_node"></div>
and we want add click event handler.
Let's retrieve Element:
var el = Ext.get('test_node');
Now let's check docs for click event. It's handler may have three parameters:
click( Ext.Even...
How to set different label for launcher rather than activity title?
...epends on the launcher implementation that is used.
http://developer.android.com/guide/topics/manifest/intent-filter-element.html
<activity
android:name=".ui.HomeActivity"
android:label="@string/title_home_activity"
android:icon="@drawable/icon">
<intent-filter android:label="@str...
Convert object to JSON in Android
Is there a simple method to convert any object to JSON in Android?
6 Answers
6
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Why were pandas merges in python faster than data.table merges in R in 2012?
... merge in mind. Two aspects to that: i) multi column ordered keys such as (id,datetime) ii) fast prevailing join (roll=TRUE) a.k.a. last observation carried forward.
I'll need some time to confirm as it's the first I've seen of the comparison to data.table as presented.
UPDATE from data.table v1...
Practical usage of setjmp and longjmp in C
... where exception in other langages (C++, Java) make sense.
Coroutines
Besides error handling, I can think also of another situation where you need setjmp/longjmp in C:
It is the case when you need to implement coroutines.
Here is a little demo example.
I hope it satisfies the request from Sivapr...
What is “Argument-Dependent Lookup” (aka ADL, or “Koenig Lookup”)?
... When the postfix-expression in a function call (5.2.2) is an unqualified-id, other namespaces not considered during the usual unqualified lookup (3.4.1) may be searched, and in those namespaces, namespace-scope friend function declarations (11.3) not otherwise visible may be found. These modificat...
How to use Swift @autoclosure
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Consider a function that takes one argument, a simple closure that takes no argument:
func f(pred: () -> Bool) {
if pred() {
print("It's true")
}
}
To call this function, we have to pass in a closure
f(pred...