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How to study design patterns? [closed]
... systems built around abstract factories, singletons, observers, visitors, etc. just straight from the book. The result is often heavy-handed, does not make the best use of the language, and not even that well-engineered from a basic coupling/cohesion standpoint (the latter especially suffers when d...
What is RPC framework and Apache Thrift?
...y, you have some flexibility regarding transports (such as sockets, pipes, etc) and protocols (binary, JSON, even compressed), plus some more options like SSL or SASL support.
For example, you may set up a server on a Linux machine, written in C++ which offers some service to the world through a J...
Define global variable in a JavaScript function
...he naming convention has gotten more formal. People who teach, write books etc. speak about var declaration, and function declaration.
UPDATE3: Here is the additional wikipedia post that supports my point: http://en.wikipedia.org/wiki/Declaration_(computer_programming)#Declarations_and_Definitions
...
Difficulty with ng-model, ng-repeat, and inputs
...tem (that is not in the cache) ngRepeat constructs new scope, DOM element, etc. More detailed description.
from 1.0.3 ngModelController rerenders inputs with actual model values.
How your example "Binding to each element directly" works for AngularJS 1.0.3:
you enter letter 'f' into input;
ngMod...
Writing data into CSV file in C#
...I'd recommend using the library CsvHelper that does all the safety checks, etc.
CSV is way more complicated than what the question/answer suggests.
Original Answer
As you already have a loop, consider doing it like this:
//before your loop
var csv = new StringBuilder();
//in your loop
...
What is difference between CrudRepository and JpaRepository interfaces in Spring Data JPA?
...with additional methods like flush(), saveAndFlush(), and deleteInBatch(), etc.
Return type of saveAll() method is a List.
Use Case - To perform CRUD as well as batch operations, define repository extends JpaRepository.
sha...
How do I drop a foreign key constraint only if it exists in sql server?
...you need to put brackets around the names like this [dbo].[FK_dbo.MyTable_Etc]
– David Sopko
Nov 19 '15 at 17:02
In M...
Why do enum permissions often have 0, 1, 2, 4 values?
... binary:
1 == binary 00000001
2 == binary 00000010
4 == binary 00000100
etc., so
1 | 2 == binary 00000011
EDIT:
3 == binary 00000011
3 in binary is represented by a value of 1 in both the ones place and the twos place. It is actually the same as the value 1 | 2. So when you are trying to...
Rebuild IntelliJ project indexes
IntelliJ IDEA 10.5.1 is reporting zero usages for all method, classes etc.
2 Answers
...
Should I commit or rollback a read transaction?
...n exactly one row as expected
a stored procedure raises an exception
data fetched is found to be inconsistent
user aborts the transaction because it's taking too long
deadlock or timeout
If COMMIT and ROLLBACK are used properly for a read-only transaction, it will continue to work as expected if D...