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Is there a way to iterate over a dictionary?
...supports fast enumeration. With Objective-C 2.0, you can do this:
// To print out all key-value pairs in the NSDictionary myDict
for(id key in myDict)
NSLog(@"key=%@ value=%@", key, [myDict objectForKey:key]);
The alternate method (which you have to use if you're targeting Mac OS X pre-10.5, ...
How to add calendar events in Android?
...ws calendar apps. There are some common data formats (e.g., iCalendar) and Internet protocols (e.g., CalDAV), but no common API. Some calendar apps don't even offer an API.
If there are specific calendar applications you wish to integrate with, contact their developers and determine if they offer a...
Java ArrayList replace at specific index
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Check out the set(int index, E element) method in the List interface
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How can I loop through a List and grab each item?
...WriteLine("amount is {0}, and type is {1}", item.amount, item.type);
for (int i = 0; i < myMoney.Count; i++)
Console.WriteLine("amount is {0}, and type is {1}", myMoney[i].amount, myMoney[i].type);
myMoney.ForEach(item => Console.WriteLine("amount is {0}, and type is {1}", item.amount, i...
How to display the current year in a Django template?
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The full tag to print just the current year is {% now "Y" %}. Note that the Y must be in quotes.
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Determine if a sequence contains all elements of another sequence using Linq [duplicate]
... superset is HUGE. It avoids repeatedly enumerating superset.
HashSet<int> hashSet = new HashSet<int>(superset);
bool contained = subset.All(i => hashSet.Contains(i));
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BestPractice - Transform first character of a string into lower case
...ng without first letter. Then i will add this string to first char that is converted to lower case
– fedotoves
Aug 25 '10 at 11:34
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Pretty Printing a pandas dataframe
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You can use prettytable to render the table as text. The trick is to convert the data_frame to an in-memory csv file and have prettytable read it. Here's the code:
from StringIO import StringIO
import prettytable
output = StringIO()
data_frame.to_csv(output)
output.seek(0)
pt = prettytab...
@UniqueConstraint annotation in Java
...e you can write
@Column(unique=true)
String username;
The @UniqueConstraint annotation is for annotating multiple unique keys at the table level, which is why you get an error when applying it to a field.
References (JPA TopLink):
@UniqueConstraint
@Column
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How to change ProgressBar's progress indicator color in Android
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This is enough android:indeterminateTint="@color/white" for API lever 21 and above
– Ghanshyam Nayma
Nov 13 '18 at 14:39
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