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How to get first character of string?
...overflow";
console.log(str.charAt(0));
Second : string.substring(start,length);
Return the substring in the string who start at the index start and stop after the length length
Here you only want the first caract so : start = 0 and length = 1
var str = "Stack overflow";
conso...
When is it practical to use Depth-First Search (DFS) vs Breadth-First Search (BFS)? [closed]
... property: It first finds all the vertices that are one edge away from the starting point, then all the vertices that are two edges away, and so on. This is useful if you’re trying to find the shortest path from the starting vertex to a given vertex. You start a BFS, and when you find the specifie...
How to enter in a Docker container already running with a new TTY
...update the /etc/default/docker file with the '-e lxc' to the docker daemon startup option before restarting the daemon (I did this by rebooting the host).
This is all because...
...it [docker 0.9] contains a new "engine driver" abstraction to make possible the use
of other API than LXC to ...
How do I remove a property from a JavaScript object?
...ments and reallocating memory: Array#splice() and Array#pop.
Array#splice(start[, deleteCount[, item1[, item2[, ...]]]])
Array#splice mutates the array, and returns any removed indices. deleteCount elements are removed from index start, and item1, item2... itemN are inserted into the array from in...
How to dynamically update a ListView on Android [closed]
...Editable s) {
}
public void beforeTextChanged(CharSequence s, int start, int count,
int after) {
}
public void onTextChanged(CharSequence s, int start, int before,
int count) {
adapter.getFilter().filter(s);
}
};
@Override
protected void onDest...
How to organize large R programs?
... already loaded (step iii above)? Don't you have to kill your workspace, restart R then reload your library/package in order to see if it's right?
– Steve Lianoglou
Aug 13 '09 at 4:18
...
Set up adb on Mac OS X
...ter/install.sh)"
Install adb
brew cask install android-platform-tools
Start using adb
adb devices
Option 2 - Manually (just the platform tools)
This is the easiest way to get a manual installation of ADB and Fastboot.
Delete your old installation (optional)
rm -rf ~/.android-sdk-macosx/
...
Decimal separator comma (',') with numberDecimal inputType in EditText
...isEdiging;
@Override public void onTextChanged(CharSequence s, int start, int before, int count) { }
@Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
@Override public void afterTextChanged(Editable s) {
if(isEdiging) re...
Growing Amazon EBS Volume sizes [closed]
...using the snapshot you just created
Attach the new volume to your instance
Start your instance
SSH to your instance:
$ sudo fdisk -l
This gives your something like:
Disk /dev/xvdf: 21.5 GB, 21474836480 bytes
12 heads, 7 sectors/track, 499321 cylinders, total 41943040 sectors
Units = sectors o...
How do you design object oriented projects? [closed]
...
Make absolutely sure you know what your program is all about before you start. What is your program? What will it not do? What problem is it trying to solve?
Your first set of use cases shouldn't be a laundry list of everything the program will eventually do. Start with the smallest set of us...