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JS - get image width and height from the base64 code
...2fstackoverflow.com%2fquestions%2f17774928%2fjs-get-image-width-and-height-from-the-base64-code%23new-answer', 'question_page');
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Deserialize from string instead TextReader
I want to change my code from:
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Check to see if python script is running
... can write a simple shell script to check it for you using the return code from ps.
ps up `cat /tmp/mydaemon.pid ` >/dev/null && echo "Running" || echo "Not running"
For extra credit, you can use the atexit module to ensure that your program cleans up its pidfile under any circumstance...
Iterate through a HashMap [duplicate]
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Extracted from the reference How to Iterate Over a Map in Java:
There are several ways of iterating over a Map in Java. Let's go over the most common methods and review their advantages and disadvantages. Since all maps in Java implem...
Is there an opposite to display:none?
...he documentation for these values here ).
display:none removes an element from the page layout entirely, as if it wasn’t there.
All other values for display cause the element to be a part of the page, so in a sense they’re all opposite to display:none.
But there isn’t one value that’s the...
converting Java bitmap to byte array
...he call to copyPixelsToBuffer the bytes are all 0... The bitmap returned from the camera is immutable... but that shouldn't matter since it's doing a copy.
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Why use #ifndef CLASS_H and #define CLASS_H in .h file but not in .cpp?
... */
#endif
This is a preprocessor technique of preventing a header file from being included multiple times, which can be problematic for various reasons. During compilation of your project, each .cpp file (usually) is compiled. In simple terms, this means the compiler will take your .cpp file, ...
How to change the decimal separator of DecimalFormat from comma to dot/point?
...DecimalFormat(formatString, otherSymbols);
currentLocale can be obtained from Locale.getDefault() i.e.:
Locale currentLocale = Locale.getDefault();
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Why does this Java code compile?
...se restrictions are intended to prevent code like
int j = i;
int i = j;
from compiling. The Java spec says "the restrictions above are designed to catch, at compile time, circular or otherwise malformed initializations."
What do these rules actually boil down to?
In short, the rules basically s...
Android: How can I pass parameters to AsyncTask's onPreExecute()?
...here all the stuff you want to do in the background, in a different thread from the main one. Here we have as an input value an array of objects from the type “X” (Do you see in the header? We have “...extends AsyncTask” These are the TYPES of the input parameters) and returns an object from...