How to add a line break in an Android TextView?
\n works for me, like this: <TextView android:text=”First line\nNext line”
line
Vertical line using XML drawable
Instead of a shape, you could try a View: <View android:layout_width=”1dp” android:layout_height=”match_parent” android:background=”#FF0000FF” /> I have only used this for horizontal lines, but I would think it would work for vertical lines as well. Use: <View android:layout_width=”match_parent” android:layout_height=”1dp” android:background=”#FF0000FF” /> for a horizontal line.
How to split strings over multiple lines in Bash?
This is what you may want $ echo “continuation”\ > “lines” continuation lines If this creates two arguments to echo and you only want one, then let’s look at string concatenation. In bash, placing two strings next to each other concatenate: $ echo “continuation””lines” continuationlines So a continuation line without an indent is one way … Read more
How do cache lines work?
If the cache line containing the byte or word you’re loading is not already present in the cache, your CPU will request the 64 bytes that begin at the cache line boundary (the largest address below the one you need that is multiple of 64). Modern PC memory modules transfer 64 bits (8 bytes) at … Read more
Circle line-segment collision detection algorithm?
Taking E is the starting point of the ray, L is the end point of the ray, C is the center of sphere you’re testing against r is the radius of that sphere Compute: d = L – E ( Direction vector of ray, from start to end ) f = E – C ( … Read more
How do you run a command eg chmod, for each line of a file?
Read a file line by line and execute commands: 4+ answers This is because there is not only 1 answer… Shell command line expansion xargs dedicated tool while read with some remarks while read -u using dedicated fd, for interactive processing (sample) running shell with inline generated script Regarding the OP request: running chmod on … Read more
C read file line by line
If your task is not to invent the line-by-line reading function, but just to read the file line-by-line, you may use a typical code snippet involving the getline() function (see the manual page here): #define _GNU_SOURCE #include <stdio.h> #include <stdlib.h> int main(void) { FILE * fp; char * line = NULL; size_t len = 0; … Read more
How to read specific lines from a file (by line number)?
If the file to read is big, and you don’t want to read the whole file in memory at once: fp = open(“file”) for i, line in enumerate(fp): if i == 25: # 26th line elif i == 29: # 30th line elif i > 29: break fp.close() Note that i == n-1 for the … Read more
Add centered text to the middle of a horizontal rule [duplicate]
How about: <div style=”width: 100%; height: 20px; border-bottom: 1px solid black; text-align: center”> <span style=”font-size: 40px; background-color: #F3F5F6; padding: 0 10px;”> Section Title <!–Padding is optional–> </span> </div> Check out this JSFiddle. You can use vw or % to make it responsive.
Go to first line in a file in vim?
In command mode (press Esc if you are not sure) you can use: gg, :1, 1G, or 1gg.