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Automate ssh-keygen -t rsa so it does not ask for a passphrase
...the final answer which works well to me:
echo -e "\n" | ssh-keygen -N "" &> /dev/null
The echo command with the -e interprets "\n" as an Enter key, but do not work with the passphrase. Then using the option -N "" (empty passphrase) the password will be empty and will not ask for anything.
...
“Connection for controluser as defined in your configuration failed” with phpMyAdmin in XAMPP
...
Open phpMyAdmin in a browser and log in as root.
Create a database called phpmyadmin
Create a user called pma and set the "host" to the hostname or IP address of your web server (if the web server and MySQL are on the same box use...
How to hide first section header in UITableView (grouped style)
... hide the first section header in UITableView (grouped style).
Swift 3.0 & Xcode 8.0 Solution
The TableView's delegate should implement the heightForHeaderInSection method
Within the heightForHeaderInSection method, return the least positive number. (not zero!)
func tableView(_ tableView: UI...
How do I assign an alias to a function name in C++?
...riable or a namespace. But how do I assign a new name to a function? For example, I want to use the name holler for printf . #define is obvious... any other way?
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Error in strings.xml file in Android
...for you.
</string>
Ref:
http://www.mrexcel.com/forum/showthread.php?t=195353
https://code.google.com/archive/p/replicaisland/issues/48
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Deny access to one specific folder in .htaccess
...y from all won't give 404 but 403. You can still access file/folders using PHP/Perl etc but not using a web request. You can open a new question if that didn't answer your query.
– anubhava
Dec 11 '15 at 22:11
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Reading a file line by line in Go
...the most simple way to do this is with a bufio.Scanner. Here is a simple example that reads lines from a file:
package main
import (
"bufio"
"fmt"
"log"
"os"
)
func main() {
file, err := os.Open("/path/to/file.txt")
if err != nil {
log.Fatal(err)
}
defer fi...
How do I get the currently displayed fragment?
...ragmentManager().findFragmentByTag("MY_FRAGMENT");
if (myFragment != null && myFragment.isVisible()) {
// add your code here
}
See also http://developer.android.com/reference/android/app/Fragment.html
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Fastest way to determine if an integer's square root is an integer
...eading the code below, note that my input is int64 x.)
if( x < 0 || (x&2) || ((x & 7) == 5) || ((x & 11) == 8) )
return false;
if( x == 0 )
return true;
Next, check if it's a square modulo 255 = 3 * 5 * 17. Because that's a product of three distinct primes, only about 1/8 o...
What is the point of function pointers?
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Most examples boil down to callbacks: You call a function f() passing the address of another function g(), and f() calls g() for some specific task. If you pass f() the address of h() instead, then f() will call back h() instead.
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