
Difference between size and length methods? - Stack Overflow
Nov 25, 2013 · What is the difference between .size() and .length ? Is .size() only for arraylists and .length only for arrays?
What does the C++ standard say about the size of int, long?
If the size of the int is that important one can use int16_t, int32_t and int64_t (need the iostream include for that if I remember correctly). What's nice about this that int64_t should not have …
Change size of axes title and labels in ggplot2 - Stack Overflow
15 To change the size of (almost) all text elements, in one place, and synchronously, rel() is quite efficient: g+theme(text = element_text(size=rel(3.5)) You might want to tweak the number a …
c++ - Should I use size_t or ssize_t? - Stack Overflow
typedef size_t intc; // (instead of unsigned int) typedef ssize_t uintc; // (instead of int) Because strlen, string, vector... all use size_t, so I usually use size_t. And I only use ssize_t when it may …
What's the difference between size_t and int in C++?
In several C++ examples I see a use of the type size_t where I would have used a simple int. What's the difference, and why size_t should be better?
c++ - What is the size of a pointer? - Stack Overflow
Closed 3 years ago. Is the size of a pointer the same as the size as the type it's pointing to, or do pointers always have a fixed size? For example...
sql - Postgres DB Size Command - Stack Overflow
Sep 20, 2013 · What is the command to find the size of all the databases? I am able to find the size of a specific database by using following command: select …
Initializing the size of a C++ vector - Stack Overflow
1 You initialize the size when you have a good idea of the number of elements that you need to store in the vector. If you are retrieving data from database or other source for instance that …
linux command to get size of files and directories present in a ...
How can I see the size of files and directories in Linux? If use df -m, then it shows the size of all the directory at the top level, but, for the directories and files inside the directory, how do I
JavaScript file upload size validation - Stack Overflow
Is there any way to check file size before uploading it using JavaScript?