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Static and Sealed class differences
...om it.(you can not inherit from it)
class Program
{
static void Main(string[] args)
{
SealedClass objSeald = new SealedClass();
objSeald.Name = "Blah blah balh";
objSeald.Print();
}
}
...
Bash history without line numbers
... variable is set and not null, its value is used as a
format string for strftime(3) to print the time stamp associated
with each history entry displayed by the history builtin. If
this variable is set, time stamps are written to the history
fi...
How do I find the last occurrence of a substring in an NSString?
How would I get the last occurrence of an NSString within another NSString? For example, in "abc def ghi abc def ghi," I want to find the index of the second "abc," not the first. I know I could do this with a bunch of rangeOfStrings, but is there already a function for that?
...
How to access a dictionary element in a Django template?
... a template expression like {{ foo.bar }} will be interpreted as a literal string and not using the value of the variable “bar”, if one exists in the template context.
– jamesc
Dec 13 '13 at 18:00
...
Django: reverse accessors for foreign keys clashing
...name of the concrete model in each one, which you can do with some special string substitution:
create_user = models.ForeignKey(User, related_name='%(class)s_requests_created')
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【转】用App Inventor 2实现电子围栏功能 - App应用开发 - 清泛IT社区，为创新赋能！
...北和东南坐标的嵌套列表，格式为((北西)(南东))CenterFromString地图中心Set the initial center coordinate of the map. The value is specified as a comma-separated pair of decimal latitude and longitude coordinates, for example, 42.359144, -71.093612.In blocks code, it is recommende...
Displaying a message in iOS which has the same functionality as Toast in Android
...
NSString *message = @"Some message...";
UIAlertView *toast = [[UIAlertView alloc] initWithTitle:nil
message:message
delegate:nil
...
Changing the interval of SetInterval while it's running
I have written a javascript function that uses setInterval to manipulate a string every tenth of a second for a certain number of iterations.
...
How to customize the back button on ActionBar
...Backup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/MyCustomTheme" >
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What Computer Science concepts should I know? [closed]
...ncepts that helped my development (intellect and code):
Lexing, Parsing, String matching, Regex
Memoization
encapsulation/scoping/closures
caching
Recursion
Iterators/Generators
Functional programming - John Hughes' amazing article had me at "why"
These are whole domains of discrete math, but...