Posts tagged Self Study

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 ...

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): ...

CyanogenMod

most popular custom ROM for Android devices Android Mobile Operating system-based Open Source Firmware for smartphones and tablet devices. Why ...

Hard Link vs. Soft Link

Hard links are just different names for the same file. One file can have many different names or hard links. Both original file and link file ...

Linux Hierarchy Structure

The Root Directory is the starting point of the file system hierarchy. Everything in the system, including the other directories and files of the ...

Serialization #2

JavaBeans are classes that encapsulate many objects into a single object (the bean), and  they are serializable. It provides a default, ...