Tutorial by Topics: di

Possible Exceptions System.ArrayTypeMismatchException: Attempted to access an element as a type incompatible with the array. This exception can occur when attempting to bind a collection to a non-bindable property when XAML pre-compilation is enabled. A common example is attempting to bind ...

The Redis keyspace can be thought of as a hash table or dictionary mapping keys to data structures in the database. Redis provides a wide range of commands that work with keys to manage the keyspace, including the ability to remove keys, inspect key metadata, search for keys, and modify certain pro...

Dictionaries in Tcl are values that hold a mapping from arbitrary values to other arbitrary values. They were introduced in Tcl 8.5, though there are limited versions for (the now unsupported) Tcl 8.4. Dictionaries are syntactically the same as lists with even numbers of elements; the first pair o...

Using django-redis-cache or django-redis are both effective solutions for storing all cached items. While it is certainly possible for Redis to be setup directly as a SESSION_ENGINE, one effective strategy is to setup the caching (as above) and declare your default cache as a SESSION_ENGINE. While...

Java comes with a powerful and flexible mechanism for localizing your applications, but it's also easy to misuse and wind up with a program that disregards or mangles the user's locale, and therefore how they expect your program to behave. Your users will expect to see data localized to the form...

A normal function is never related to a function template, despite same name, same type. A normal function call and a generated function template call are different even if they share the same name, same return type and same argument list

UPDATE table-Name [[AS] correlation-Name] SET column-Name = Value [ , column-Name = Value} ]* [WHERE clause] UPDATE table-Name SET column-Name = Value [ , column-Name = Value ]* WHERE CURRENT OF

PUSHD [path] POPD ParameterDetailspathThe directory to navigate to Using pushd without parameters will print the stack. The popd command will overwrite the current Current Directory value.

FlagMeaning"r"Read-only, starts at beginning of file (default mode)."r+"Read-write, starts at beginning of file."w"Write-only, truncates existing file to zero length or creates a new file for writing."w+"Read-write, truncates existing file to zero length or...

For those not familiar, a Replica Set is defined as a redundant configuration of three servers. A Sharded Database is defined as a horizintally scalled database, where each Shard is defined as a Replica Set. Therefore, a sharded Mongo cluster involves a minimum of 11 servers for a 2 shard cluster...