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SqlDataAdapter vs SqlDataReader
...ver once
Is not as useful for updating back to the database
On the other hand, it:
Only has one record in memory at a time rather than an entire result set (this can be HUGE)
Is about as fast as you can get for that one iteration
Allows you start processing results sooner (once the first record is...
BigDecimal setScale and round
...lluded to but not directly addressed is the difference between "precision" and "scale" and how they are used in the two statements. "precision" is the total number of significant digits in a number. "scale" is the number of digits to the right of the decimal point.
The MathContext constructor onl...
How SignalR works internally?
...connection. It gives you two programming models over that connection (hubs and persistent connections). SignalR has a concept of transports, each transport decides how data is sent/received and how it connects and disconnects.
SignalR has a few built in transports:
WebSockets
Server Sent Events
F...
What's the difference between JPA and Spring Data JPA?
I am a bit confused about the difference between Spring Data-JPA and JPA. I know about JPA that it is a specification for persisting the Java Objects to a relational database using popular ORM technology.
...
How do I format date and time on ssrs report?
on SSRS report I need to show todays date and current time
12 Answers
12
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How to size an Android view based on its parent's dimensions
... layout. For example I have a RelativeLayout that fills the full screen, and I want a child view, say an ImageView , to take up the whole height, and 1/2 the width?
...
Calling Objective-C method from C++ member function?
...g they can be mixed. If you want to keep them separate, you can set up a standard C wrapper function that gives the Objective-C object a usable C-style interface from non-Objective-C code (pick better names for your files, I have picked these names for verbosity):
MyObject-C-Interface.h
#ifndef __...
Timeout on a function call
I'm calling a function in Python which I know may stall and force me to restart the script.
18 Answers
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How to increase IDE memory limit in IntelliJ IDEA on Mac?
...ll automatically create a copy of the .vmoptions file in the config folder and open a dialog to edit it.
Older versions:
IntelliJ IDEA 12 is a signed application, therefore changing options in Info.plist is no longer recommended, as the signature will not match and you will get issues depending ...
Remove IE10's “clear field” X button on certain inputs?
... any way to disable it?
For instance, if the form is a single text field and already has a "clear" button beside it, it's superfluous to also have the X. In this situation, it would be better to remove it.
...