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How to center the content inside a linear layout?
I'm trying to center an ImageView inside a LinearLayout horizontally and vertically, but I just can't do it.
The main reason why I'm not using a RelativeLayout for that is because I need the layout_weight (my Activity consists of four columns that should be equally divided, and also respon...
MySQL Delete all rows from table and reset ID to zero
...ete all rows from a table but when I add a new row, I want the primary key ID, which has an auto increment, to start again from 0 respectively from 1.
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Detect 7 inch and 10 inch tablet programmatically
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From this, we can get the information required to size the display:
int widthPixels = metrics.widthPixels;
int heightPixels = metrics.heightPixels;
This will return the absolute value of the width and the height in pixels, so 1280x720 for the Galaxy SIII, the Galaxy Nexus etc.
This isn't usual...
Get button click inside UITableViewCell
...ant to access the button click along with the index of the cell clicked inside the view controller where I have defined the Table view.
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Using IQueryable with Linq
... user's perspective, is that, when you use IQueryable<T> (with a provider that supports things correctly), you can save a lot of resources.
For example, if you're working against a remote database, with many ORM systems, you have the option of fetching data from a table in two ways, one which...
dynamically add and remove view to viewpager
...resent it here since I see a lot of people have struggled with this and I didn't see any other relevant answers.
First, here's my adapter; hopefully comments within the code are sufficient:
public class MainPagerAdapter extends PagerAdapter
{
// This holds all the currently displayable views, i...
Rails: where does the infamous “current_user” come from?
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It is defined by several gems, e.g. Devise
You'll need to store the user_id somewhere, usually in the session after logging in. It also assumes your app has and needs users, authentication, etc.
Typically, it's something like:
class ApplicationController < ActionController::Base
def current...
Are soft deletes a good idea? [duplicate]
Are soft deletes a good idea or a bad idea?
15 Answers
15
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How to add a custom Ribbon tab using VBA?
...t use VBA Excel to create custom tab in the Excel ribbon. You can however hide/make visible a ribbon component using VBA. Additionally, the link that you mentioned above is for MS Project and not MS Excel.
I create tabs for my Excel Applications/Add-Ins using this free utility called Custom UI Edit...
Clear text from textarea with selenium
...that the proper error message appears when text in certain fields are invalid. One check for validity is that a certain textarea element is not empty.
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