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Check if PHP session has already started
...en/function.session-status.php
For versions of PHP < 5.4.0
if(session_id() == '') {
session_start();
}
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Can you center a Button in RelativeLayout?
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Try
android:layout_centerHorizontal="true"
Exactly like this, it works for me:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android...
MySQL Update Inner Join tables query
I have no idea what the problem is. Using MySQL 5.0 I get a compile error when attempting to run the following MySQL update query:
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android.view.InflateException: Binary XML file: Error inflating class fragment
I have a very frustrating error that I cannot explain. I created an Android application that uses Android AppCompat to make it compatible with older versions. Here is my main activity layout file:
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How do I partially update an object in MongoDB so the new object will overlay / merge with the exist
... data then?
You know you can do the following:
db.collection.update( { _id:...} , { $set: someObjectWithNewData }
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Postgres manually alter sequence
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The parentheses are misplaced:
SELECT setval('payments_id_seq', 21, true); # next value will be 22
Otherwise you're calling setval with a single argument, while it requires two or three.
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Android - Dynamically Add Views into View
...in any details dynamically here
TextView textView = (TextView) v.findViewById(R.id.a_text_view);
textView.setText("your text");
// insert into main view
ViewGroup insertPoint = (ViewGroup) findViewById(R.id.insert_point);
insertPoint.addView(v, 0, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.F...
Best way to use multiple SSH private keys on one client
...it usage within the same server). I tried simply stacking the keys in the id_rsa files to no avail.
20 Answers
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Javascript Equivalent to C# LINQ Select
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Yes, Array.map() or $.map() does the same thing.
//array.map:
var ids = this.fruits.map(function(v){
return v.Id;
});
//jQuery.map:
var ids2 = $.map(this.fruits, function (v){
return v.Id;
});
console.log(ids, ids2);
http://jsfiddle.net/NsCXJ/1/
Since array.map isn't supported ...
Android: How to bind spinner to custom object list?
...hich contains some names (the names are visible) and each name has its own ID (the IDs are not equal to display sequence). When the user selects the name from the list the variable currentID has to be changed.
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