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How can I multiply all items in a list together with Python?
...Convenient if you're already using Numpy. You probably don't even need to cast it as a list first, this should work for most cases result = np.prod(mylist)
– Nick
Jun 9 '16 at 23:47
...
Query an XDocument for elements by name at any depth
...ement> mails = ((IEnumerable)doc.XPathEvaluate("/emails/emailAddress")).Cast<XElement>();
Note that
var res = doc.XPathEvaluate("/emails/emailAddress");
results either a null pointer, or no results.
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Why isn't the size of an array parameter the same as within main?
...eturns an object of type size_t, so you should print it with %zu (C99), or cast it to int if you use %d like above in your printf calls.
– Alok Singhal
Dec 29 '09 at 15:41
4
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How can I inject a property value into a Spring Bean which was configured using annotations?
... </property>
</bean>
When retrieved, this bean can be cast to a java.util.Properties which will contain a property named results.max whose value is read from app.properties. Again, this bean can be dependency injected (as an instance of java.util.Properties) into any class via t...
Are there strongly-typed collections in Objective-C?
... philosophy - for example if you pull the first item out of an NSArray and cast it to an NSNumber but that item was really an NSString, you are screwed...
– jjxtra
Jan 19 '12 at 20:27
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How to convert enum value to int?
... White,
Green,
Blue,
Purple,
Orange,
Red
}
then:
//cast enum to int
int color = Color.Blue.ordinal();
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What is the best way to test for an empty string in Go?
...t that little extra bit of work. HOWEVER, one thing we used to do in C was cast the left side to a const or put the static string on the left side of the operator to prevent s=="" from becoming s="" which in the C syntax is acceptable... and probably golang too. (see the extended if)
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How do I group Windows Form radio buttons?
... control, Type type)
{
var controls = control.Controls.Cast<Control>();
return controls.SelectMany(ctrl => GetAll(ctrl, type))
.Concat(controls)
.Where(c => c.GetType() == type);
...
Counting the occurrences / frequency of array elements
... wider usage. Storing the values as object keys to count them means you're casting those values to strings and then counting that value. [5, "5"] will simply say you've got "5" two times. Or counting instances some different objects is just gonna tell you there's a lot of [object Object]. Etc. etc.
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What is the main purpose of setTag() getTag() methods of View?
...are not descriptive at all.
It just stores an Object, which requires to be cast when you want to getTag. You can get unexpected crashes later when you decide to change the type of stored object in the tag.
Here's a real-life story: We had a pretty big project with a lot of adapters, async operations...