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Detect changed input text box
...unction(e){
alert('Changed!')
});
In pure JavaScript:
document.querySelector("input").addEventListener("change",function () {
alert("Input Changed");
})
Or like this:
<input id="inputDatabaseName" onchange="youFunction();"
onkeyup="this.onchange();" onpaste="this.onchange();" oninput=...
List comprehension in Ruby
..._ARRAY.map{|x| x % 2 == 0 ? x * 3 : nil}.compact
end
end
def test_select_map
1000.times do
TEST_ARRAY.select{|x| x % 2 == 0 }.map{|x| x * 3}
end
end
def test_inject
1000.times do
TEST_ARRAY.inject([]) {|all, x| all << x*3 if x % 2 == 0; all }
end
end...
How to put Google Maps V2 on a Fragment using ViewPager
...le way
first log in to your google account and visit google libraries and select Google Maps Android API
dependency found in android studio default map activity :
compile 'com.google.android.gms:play-services:10.0.1'
put your key into android mainifest file under application like below
in Andr...
How to create a release signed apk file using Gradle?
...<< {
// Must create String because System.readPassword() returns char[]
// (and assigning that below fails silently)
def storePw = new String(System.console().readPassword("Keystore password: "))
def keyPw = new String(System.console().readPassword("Key password: "))
andr...
Restoring state of TextView after screen rotation?
... Why isn't the text 'frozen/saved' by default like other attributes (text selection, cursor position, etc.)? In other words, in what scenario would someone actually prefer that the text is not saved?
– Gautam
Oct 13 '13 at 9:18
...
LINQ Single vs First
...if it finds more than one record matching the criteria.
First will always select the first record from the list. If the query returns just 1 record, you can go with First().
Both will throw an InvalidOperationException exception if the collection is empty.
Alternatively you can use SingleOrDefau...
PHP + MySQL transactions examples
..._connect("localhost","Dude1", "SuperSecret") or die(mysql_error());
mysql_select_db("bedrock") or die(mysql_error());
$query = "INSERT INTO employee (ssn,name,phone) values ('123-45-6789','Matt','1-800-555-1212')";
begin(); // transaction begins
$result = mysql_query($query);
if(!$result){
...
Datatable vs Dataset
...
One feature of the DataSet is that if you can call multiple select statements in your stored procedures, the DataSet will have one DataTable for each.
share
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improve this answer
...
How do I pass multiple parameters into a function in PowerShell?
...est-Path $_ -PathType 'Leaf' })]
[ValidateScript({ (Get-Item $_ | select -Expand Extension) -eq ".csv" })]
[string] $Path
)
}
In this example, we are assured not only that $Path exists, but that it is a file, (as opposed to a directory) and has a .csv extension. ($_ refers to...
List all commits (across all branches) for a given file
... a file and show its branch graph in SourceTree? Right click on a file and select "Log Selected..." doesn't show history on all branches.
– aleung
Mar 13 '17 at 8:45
add a com...