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How to extract one column of a csv file
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I think this fails when there are strings that contain a comma, i.e. ...,"string,string",...
– sodiumnitrate
Jun 13 '17 at 19:18
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What is Autoloading; How do you use spl_autoload, __autoload and spl_autoload_register?
...of the class that you are trying to instantiate, PHP passes this name as a string to spl_autoload_register(), which allows you to pick up the variable and use it to "include" the appropriate class/file. As a result you don't specifically need to include that class via an include/require statement......
Array.sort() doesn't sort numbers correctly [duplicate]
... know why?
You're getting a lexicographical sort (e.g. convert objects to strings, and sort them in dictionary order), which is the default sort behavior in Javascript:
https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/sort
array.sort([compareFunction])
Parameters
compare...
Percentage width child element in absolutely positioned parent on Internet Explorer 7
...of which is a relatively positioned div . When I use a percentage-based width on the child div , it collapses to 0 width on IE7, but not on Firefox or Safari.
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Javascript regex returning true.. then false.. then true.. etc [duplicate]
... (with exec, test etc.) the first time, you get the first match in a given string. Call them again and you get the next match, and so on until you get no match and it resets to the start of the next string. You can also write regex.lastIndex= 0 to reset this state.
(This is of course an absolutely ...
android: move a view on touch move (ACTION_MOVE)
I'd like to do a simple control: a container with a view inside. If I touch the container and I move the finger, I want to move the view to follow my finger.
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PHP + MySQL transactions examples
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The idea I generally use when working with transactions looks like this (semi-pseudo-code):
try {
// First of all, let's begin a transaction
$db->beginTransaction();
// A set of queries; if one fails, an excep...
Android RatingBar change star colors [closed]
...: Create your own style, by cloning one of the existing styles (from $ANDROID_HOME/platforms/$SDK/data/res/values/styles.xml), putting it in your own project's styles.xml, and referencing it when you add the widget to a layout.
Step #2: Create your own LayerDrawable XML resources for the RatingBar,...
Why is January month 0 in Java Calendar?
...kes things like "arrays of names" easier:
// I "know" there are 12 months
String[] monthNames = new String[12]; // and populate...
String name = monthNames[calendar.get(Calendar.MONTH)];
Of course, this fails as soon as you get a calendar with 13 months... but at least the size specified is the n...
What is the use of ObservableCollection in .net?
...ObservableCollections
class Handler
{
private ObservableCollection<string> collection;
public Handler()
{
collection = new ObservableCollection<string>();
collection.CollectionChanged += HandleChange;
}
private void HandleChange(object sender, Notif...