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How to echo with different colors in the Windows command line
... 1 );
} else if (e.message == "Index was outside the bounds of the array.") {
print( "invalid arguments" );
Environment.Exit( 2 );
} else {
print ( "Error Message: " + e.message );
print ( "Error Code: " + ( e.number & 0xFFFF ) );
...
How to get my IP address programmatically on iOS/macOS?
..._ADDR_IPv6 @"ipv6"
- (NSString *)getIPAddress:(BOOL)preferIPv4
{
NSArray *searchArray = preferIPv4 ?
@[ /*IOS_VPN @"/" IP_ADDR_IPv4, IOS_VPN @"/" IP_ADDR_IPv6,*/ IOS_WIFI @"/" IP_ADDR_IPv4, IOS_WIFI @"/" IP_ADDR_IPv6, IOS_CELLULAR @"/" IP_ADDR_IPv4, IOS_CELLULAR @...
What is PECS (Producer Extends Consumer Super)?
...hould be invariant.
To illustrate this general phenomenon, consider the array type. For the type Animal we can make the type Animal[]
covariant: a Cat[] is an Animal[];
contravariant: an Animal[] is a Cat[];
invariant: an Animal[] is not a Cat[] and a Cat[] is not an Animal[].
Java Examples...
Determining type of an object in ruby
... #=> True
p "1".instance_of? String #=> True
p [1,2].instance_of? Array #=> True
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Casting vs using the 'as' keyword in the CLR
...1,specs: OS:Windows Seven, CPU:i5-520M, 4GB of DDR3 1033 ram, benchmark on array of 128,000,000 items.
– Behrooz
Jun 25 '10 at 13:32
2
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What is the difference between Python's list methods append and extend?
...ctionary, it will append the key, and not the whole hash to the end of the array.
– Anthony
Mar 15 '19 at 14:53
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mongoDB/mongoose: unique if not null
... support for specifying multiple possible types, which can be passed as an array:
{ field: { $type: [ <BSON type1> , <BSON type2>, ... ] } }
which means that it allows the value to be of any of a number of multiple types when not null.
Therefore, if we want to allow the email field i...
How to create a density plot in matplotlib?
...*8 + [4.5]*3 + [5.5]*1 + [6.5]*8
sns.set_style('whitegrid')
sns.kdeplot(np.array(data), bw=0.5)
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Adding up BigDecimals using Streams
...iginal answer
Yes, this is possible:
List<BigDecimal> bdList = new ArrayList<>();
//populate list
BigDecimal result = bdList.stream()
.reduce(BigDecimal.ZERO, BigDecimal::add);
What it does is:
Obtain a List<BigDecimal>.
Turn it into a Stream<BigDecimal>
Call th...
How to handle initializing and rendering subviews in Backbone.js?
...s to be set at some point. PhoneListView holds child views of its own, an array of PhoneView entries.
So on to your actual question. I handle initialization and rendering differently based on the view type. I break my views into two types, Parent views and Child views.
The difference between th...