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How to avoid null checking in Java?
...e C syntax. I'd rather "pin question marks" everywhere than scroll through screenful of lines or dodge "guard clauses" all day.
– Victor
Oct 1 '15 at 20:57
...
Android: How can I pass parameters to AsyncTask's onPreExecute()?
...usually used when you want to show any progress or information in the main screen, like a progress bar showing the progress of the operation you are doing in the background.
protected void onPostExecute(Z z){
}
This method is called after the operation in the background is done. As an input parame...
Can I mask an input text in a bat file?
...Password:
cls
echo Thanks, got that.
..
So you get a prompt, then the screen clears after it's entered.
Note that the entered password will be stored in the CMD history if the batch file is executed from a command prompt (Thanks @Mark K Cowan).
If that wasn't good enough, I would either switc...
How to make Twitter Bootstrap menu dropdown on hover rather than click
...es, you will not want this functionality on a collapsed navbar (on smaller screens). To avoid this, wrap the code above in a media query:
@media (min-width: 979px) {
ul.nav li.dropdown:hover > ul.dropdown-menu {
display: block;
}
}
To hide the arrow (caret) this is done in different ...
What's the difference between :: (double colon) and -> (arrow) in PHP?
...on the test server, there it just explodes with a syntax error and a white screen in the browser. Since PHP logging was turned off at the test machine, and the hosting company was too busy to turn it on, it was not too obvious.
So, word of warning: apparently, some PHP installations will let you u...
Do fragments really need an empty constructor?
... If you pause the activity or destroy it. So you go to the home screen and the activity is then killed by Android to save room. The fragments state will be saved (using the args) then gc the object (normally). So on return to the activity the fragments should try to be recreated using the...
What are queues in jQuery?
... for delaying the request for heavy content that's below the bottom of the screen until it's scrolled into view. Using jQuery's queue() made those Ajax requests very smooth (even if you jump straight to the bottom of the page). Thanks!
– Jeff Standen
Apr 3 '1...
How to get the input from the Tkinter Text Widget?
...l happen so fast
# that you will not even see the window appearing on your screen.
# Keeping the mainloop running also lets you keep the
# program running until you press the close buton
root.mainloop()
share
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Differences between hard real-time, soft real-time, and firm real-time?
...l cable set-top box decodes time stamps for when frames must appear on the screen. Since the frames are time order sensitive a missed deadline causes jitter, diminishing quality of service. If the missed frame later becomes available it will only cause more jitter to display it, so it's useless. The...
How to implement a ViewPager with different Fragments / Layouts
... a simple layout file, only containing the ViewPager that fills the whole screen.
<android.support.v4.view.ViewPager
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/viewPager"
android:layout_width="f...