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Android: How can I validate EditText input?
...atural way on android. But when we have considerable amount of elements on screen which need validation, toasts don't seem to be the correct choice.(IMHO,It would annoy the user) I have been experimenting with TextView.setError() (developer.android.com/reference/android/widget/…
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How to increase scrollback buffer size in tmux?
...ust be closed in order for this change to take an effect. Coming from GNU screen I assumed each new screen session would source the ~/.tmux.conf but that is not the case. Only when all tmux sessions are closed and new one is opened does the change to the ~/.tmux.conf have an effect.
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Duplicate ID, tag null, or parent id with another fragment for com.google.android.gms.maps.MapFragme
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this works, but if i rotate my screen, my app crashes with this exception: Caused by: java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState
– jramoyo
Aug 15 '13 at 8:10
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Build Error - missing required architecture i386 in file
...s: click on the project name in the Project Navigator. In the properties screen which appears, select the 'Build Settings' tab. The Search Paths are located in this screen. Deleting them worked for me.
– dsteele
Feb 12 '12 at 23:16
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C# Events and Thread Safety
...meworks, you'd have to compare this with the cost of repainting parts of a screen in Winforms, etc., so it becomes even more invisible in the deluge of real CPU work and waiting around for resources. You get +1 from me for the hard work, anyway. :)
– Daniel Earwicker
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Automating “enter” keypresses for bash script generating ssh keys
...stead of older PEM (needs OpenSSH 6.5+)
-a Number of primality test while screening DH-GEX candidates
-t Type of key (ed25519, RSA, DSA etc.)
-f /mypath/bla The output file path and name
-N "" Use empty passphase
and yes "y" for no interaction.
It will generate two files
/mypath/bla
/mypath/b...
Difference between Visual Basic 6.0 and VBA
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VB also has the Clipboard, Screen, and App objects, in addition to the Printers collection. The forms packages are completely different, as you have to go out of your way to avoid windowed controls in VB, but in VBA it's a lot harder to use hWnd-orient...
How to prevent scrollbar from repositioning web page?
...lc(100vw - 100%);">
Some Content that is higher than the user's screen
</div>
</body>
The trick is that 100vw represents 100% of the viewport including the scrollbar. If you subtract 100%, which is the available space without the scrollbar, you end up with the width of t...
Changing the default folder in Emacs
...point. "Customize Emacs" under "Options" allowed me to inhibit the startup screen. Now when I open emacs I go immediately to the scratch buffer. When I type C-x C-f in the scratch buffer I get the exact response I want.
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Android: AsyncTask vs Service
...oad data to a listview from a server after hitting some button or changing screen you better go with a asynctask.it runs parallel with main ui thread (runs in background).for run asynctack activity or your app should on main UI thread.after exit from the app there is no asynctask.
But services are...