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How to set button click effect in Android?

...ist of states for the button. So for example if you create a new xml file called "button.xml" with the following code: <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:state_focused="true" android:state_pressed="false" android:drawable="@drawable/YOUR...
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How do I start Mongo DB from Windows?

I have installed MongoDB on my Windows 7 (64 bit) machine. I have created the path data/db too but when I tried to start mongodb using the command 'C:\mongodb\bin\mongod.exe' , it is not starting. It is showing admin web console waiting for connections on port 28017 . ...
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How to prevent text in a table cell from wrapping

...t: Use nowrap attribute inside the "td" tag: <th nowrap="nowrap">Really long column heading</th> Use non-breakable spaces between your words: <th>Really long column heading</th> ...
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How to Iterate over a Set/HashSet without an Iterator?

...solution for me. I guess i have no choose, i must use Iterator. Thanks for all anyway. – user1621988 Sep 17 '12 at 8:55 39 ...
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Design patterns to avoid [closed]

... Patterns are complex All design patterns should be used with care. In my opinion you should refactor towards patterns when there is a valid reason to do so instead of implementing a pattern right away. The general problem with using patterns is t...
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Why Qt is misusing model/view terminology?

...ng. In my opinion however, the problem is not Qt's alone, but is shared by all frameworks that allow us to adhere to the principle of separation of concerns when implementing our UIs. When someone comes up with such a framework, and finds a good way to keep "things" separated, they always feel oblig...
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Copy entire contents of a directory to another using php

... @Oliboy50: I see. I think it suppresses any error message. I never really used it though. This is the documentation: us3.php.net/manual/en/language.operators.errorcontrol.php – Felix Kling Jul 11 '14 at 9:18 ...
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PHP DateTime::modify adding and subtracting months

...s not a bug: The current behavior is correct. The following happens internally: +1 month increases the month number (originally 1) by one. This makes the date 2010-02-31. The second month (February) only has 28 days in 2010, so PHP auto-corrects this by just continuing to count days from February...
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What does threadsafe mean?

... safe" and so I ended up writing a delegate (sample from MSDN helped) and calling it instead. 11 Answers ...
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What is the maximum length of a Push Notification alert text?

... thing the documentation says is: In iOS 8 and later, the maximum size allowed for a notification payload is 2 kilobytes; Apple Push Notification Service refuses any notification that exceeds this limit. (Prior to iOS 8 and in OS X, the maximum payload size is 256 bytes.) This is what I could ...