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Showing empty view when ListView is empty
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I tried all the above solutions.I came up solving the issue.Here I am posting the full solution.
The xml file:
<RelativeLayout
android:id="@+id/header_main_page_clist1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_margin="20dp"
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How to save a dictionary to a file?
...of thing.
These functions are all that you need for saving and loading almost any object:
def save_obj(obj, name ):
with open('obj/'+ name + '.pkl', 'wb') as f:
pickle.dump(obj, f, pickle.HIGHEST_PROTOCOL)
def load_obj(name ):
with open('obj/' + name + '.pkl', 'rb') as f:
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Best way to split string into lines
...ronment.NewLine is a no-go as far as I’m concerned. In fact, of all the possible solutions I prefer the one using regular expressions since only that handles all source platforms correctly.
– Konrad Rudolph
Jan 20 '11 at 17:14
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Very large matrices using Python and NumPy
...re efficient data structures for sparse matrices (matrices with lots of zeros), like scipy.sparse.csc_matrix.
Modify your algorithm to work on submatrices. You can read from disk only the matrix blocks that are currently being used in computations. Algorithms designed to run on clusters usually wo...
What's the opposite of head? I want all but the first N lines of a file
...swered Aug 18 '10 at 0:31
Joe EnosJoe Enos
35.7k1111 gold badges6969 silver badges126126 bronze badges
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How do I get PHP errors to display?
...wever, this doesn't make PHP to show parse errors - the only way to show those errors is to modify your php.ini with this line:
display_errors = on
(if you don't have access to php.ini, then putting this line in .htaccess might work too):
php_flag display_errors 1
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Postgres could not connect to server
After I did brew update and brew upgrade, my postgres got some problem. I tried to uninstall postgres and install again, but it didn't work as well.
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How to remove files that are listed in the .gitignore but still on the repository?
I have some files in my repository that should be ignored, i added them to the .gitignore but, of course, they are not removed from my repository.
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How to play an android notification sound
...also set this to play through STREAM_NOTIFICATION so it is played with the OS current notification volume preference: .setSound(soundUri, AudioManager.STREAM_NOTIFICATION)
– mwk
Aug 4 '14 at 13:49
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How to access a mobile's camera from a web app?
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In iPhone iOS6 and from Android ICS onwards, HTML5 has the following tag which allows you to take pictures from your device:
<input type="file" accept="image/*" capture="camera">
Capture can take values like camera, camcorder ...