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How to take a screenshot programmatically on iOS
I want a screenshot of the image on the screen saved into the saved photo library.
20 Answers
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How to display long messages in logcat
I am trying to display long message on logcat. If the length of message is more than 1000 characters, it gets broken.
10 A...
Windows equivalent to UNIX pwd
How do I find the local path on windows in a command prompt?
10 Answers
10
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PHP - How to check if a string contains a specific text [duplicate]
...";
if( strpos( $haystack, $needle ) !== false) {
echo "\"bar\" exists in the haystack variable";
}
In your case:
if( strpos( $a, 'some text' ) !== false ) echo 'text';
Note that my use of the !== operator (instead of != false or == true or even just if( strpos( ... ) ) {) is because of the...
running Rails console in production
...with my first Rails site, but now I have a problem. When I run the project in development mode on my IDE I can run the console to something like:
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Adding a column to a data.frame
...the data.frame below. I want to add a column that classifies my data according to column 1 ( h_no ) in that way that the first series of h_no 1,2,3,4 is class 1, the second series of h_no (1 to 7) is class 2 etc. such as indicated in the last column.
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Get notified when UITableView has finished asking for data?
Is there some way to find out when a UITableView has finished asking for data from its data source?
18 Answers
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What are CFI directives in Gnu Assembler (GAS) used for?
There seem to be a .CFI directive after every line and also there are wide varities of these ex., .cfi_startproc , .cfi_endproc etc.. more here .
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How to iterate through SparseArray?
...a SparseArray (for Android) ? I used sparsearray to easily get values by index. I could not find one.
10 Answers
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How to change plot background color?
I am making a scatter plot in matplotlib and need to change the background of the actual plot to black. I know how to change the face color of the plot using:
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