In software testing, there are three different types of testing depending on how much knowledge the testers have on the software being tested. ...
Posts tagged Self Study
What does the symbol ‘&’ mean in C and C++?
‘&’ symbol has two meanings in C and C++. Address of Operator: returns address of a variable. int a = 3; printf(“%d”, ...
compileSdkVersion, minSdkVersion, and targetSdkVersion
compileSdkVersion can choose which version of Android SDK to compile the app with strongly recommended to compile with latest SDK (the app ...
Deprecated APIs
Deprecated As Android Versions keep being updated, many APIs and their methods are being revised. Even though those API’s methods get ...
Multi Core vs. Hyper-threading
Multi Core Provides multiple cores in CPU. Dual-core can run two different processes at a time. (quad-core = 4 cores = 4 processes at a time) ...
Bandwidth and Frequency
Bandwidth (bps – bits per second) Amount of data that can be transmitted in per unit time. Difference between highest frequency and lowest ...
Latency vs. Jitter
Latency Amount of time it takes for a packet to travel from point A to point B(or round-trip). ex) Data Latency: time between a query and the ...
4 ways to handle button click
1. New OnClickListener in setOnClickListener’s parameter 2. Inner class OnClickListener 3. Implements OnClickListener interface & ...
vi Find & Replace
Range [%] All lines in the file. [1,30] line 1 to 30 [5,$] line 5 to last line Pattern This can be plain text and also regular expression. ...
malloc( ) and free( )
allocates the requested memory and returns a pointer to it. (Dynamic memory allocation) should #include<stdlib.h> void *malloc(# of bytes): ...