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How do I change the number of open files limit in Linux? [closed]
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Seems you are repeating an extra steps. Setting limits alone will do the same as the profile, but across all sessions.
– Eddie
Nov 11 '13 at 14:47
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How to add elements to an empty array in PHP?
... use the array_push notation depending on how many items must be added the extra characters from re-typing the array name each time may be more of a performance hindrance than the function call over-head. As always, judgment should be exercised when choosing. Good answers!
– ...
Declaring javascript object method in constructor function vs. in prototype [duplicate]
... method on each of the object. This means that each object will contain an extra pointer and thus take up a bit more memory each.
The per-object method allows the method to refer to variables in the constructor (a closure) and it therefore allows you to access some data that you cannot access from ...
How to overlay images
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You put img into span, set z-index & position for both elements, and extra display for span. Add hover to span so you can test it and you got it!
HTML:
<span><img src="/images/"></span>
CSS
span img {
position:relative;
z-index:-1;
}
span {
How do I use prepared statements in SQlite in Android?
...t = db.compileStatement("INSERT INTO Country (code) VALUES (?)");
stmt.bindString(1, "US");
stmt.executeInsert();
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How to delete or add column in SQLITE?
...lumn(SQLiteDatabase db,
ConnectionSource connectionSource,
String createTableCmd,
String tableName,
String[] colsToRemove) throws java.sql.SQLException {
List<String> updatedTableColumns = getTableColumns(tableName);
// Remove the columns we don't want ...
How do I perform an insert and return inserted identity with Dapper?
...PE_IDENTITY() and @@IDENTITY",
The OUTPUT clause is the safest mechanism:
string sql = @"
DECLARE @InsertedRows AS TABLE (Id int);
INSERT INTO [MyTable] ([Stuff]) OUTPUT Inserted.Id INTO @InsertedRows
VALUES (@Stuff);
SELECT Id FROM @InsertedRows";
var id = connection.Query<int>(s...
Lisp in the real world
...ions for business process modelling. it's some random lisp code with a few extra process-related primitives and a few constraints. it can stop at random points in the code and fall asleep (get comitted into the database) while it waits for some external event.
is it practical or academic? you decid...
How to set the part of the text view is clickable
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android.text.style.ClickableSpan can solve your problem.
SpannableString ss = new SpannableString("Android is a Software stack");
ClickableSpan clickableSpan = new ClickableSpan() {
@Override
public void onClick(View textView) {
startActivity(new Intent(MyActivity.this, Next...
How to change an input button image using CSS?
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Here's a simpler solution but with no extra surrounding div:
<input type="submit" value="Submit">
The CSS uses a basic image replacement technique. For bonus points, it shows using an image sprite:
<style>
input[type="submit"] {
border...