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How does a Linux/Unix Bash script know its own PID?
...
It redirects a string into the loop (or anything that reads stdin). The string is referred to as a "here string".
– Paused until further notice.
Mar 29 '14 at 21:29
...
Initialize parent's protected members with initialization list (C++)
...t along. Something like:
class Parent
{
protected:
Parent( const std::string& something ) : something( something )
{}
std::string something;
}
class Child : public Parent
{
private:
Child() : Parent("Hello, World!")
{
}
}
...
How do you merge two Git repositories?
...act.
You should treat this like a usual file move commit: you will need an extra jump when reaching it.
# finishes with all files added at once commit
git log rails/README.md
# then continue from original tree
git log <rev> -- README.md
There are more complex solutions like doing this manu...
Force update of an Android app when a new version is available
...current version from there and then compare it with your current version.
String currentVersion, latestVersion;
Dialog dialog;
private void getCurrentVersion(){
PackageManager pm = this.getPackageManager();
PackageInfo pInfo = null;
try {
pInfo = pm.getPackageInfo(thi...
how to implement a long click listener on a listview
...ng arg3) {
Toast.makeText(list.this,myList.getItemAtPosition(index).toString(), Toast.LENGTH_LONG).show();
return false;
}
});
share
|
improve this answer
...
Why this line xmlns:android=“http://schemas.android.com/apk/res/android” must be the first in the la
...rm Resource Identifier (URI)
A Uniform Resource Identifier (URI) is a string of characters which
identifies an Internet Resource.
The most common URI is the Uniform Resource Locator (URL) which
identifies an Internet domain address. Another, not so common type of
URI is the Universal...
How do you discover model attributes in Rails?
...inspect.
irb(main):001:0> User.inspect
=> "User(id: integer, email: string, encrypted_password: string,
reset_password_token: string, reset_password_sent_at: datetime,
remember_created_at: datetime, sign_in_count: integer,
current_sign_in_at: datetime, last_sign_in_at: datetime,
current_s...
Storing SHA1 hash values in MySQL
.... When storing the hash as binary, phpmyadmin will display the it as a hex string, but pma will be unable to use it in the provided "search tab". Will work only if you add the UNHEX() manually to the sql.
– Timo Huovinen
Jan 14 '14 at 12:05
...
Get the full URL in PHP
.../$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
(Note that the double quoted string syntax is perfectly correct)
If you want to support both HTTP and HTTPS, you can use
$actual_link = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://$_SERVER[HTTP_HOST]$_SERVE...
Error handling in getJSON calls
...ended!'); });
And with error description plus showing all json data as a string:
$.getJSON("example.json", function(data) {
alert(JSON.stringify(data));
})
.done(function() { alert('getJSON request succeeded!'); })
.fail(function(jqXHR, textStatus, errorThrown) { alert('getJSON request failed! ...