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Cannot make a static reference to the non-static method
...
I was trying to do this, but for a string-array, and with String a[] = context.getTextArray(R.array.myStringArray); ; it, however, gives me an error The method getTextArray(int) is undefined for the type Context -- why would it be undefined whereas it works with g...
Is there a way to iterate over a range of integers?
...was suggested by Mark Mishyn to use slice but there is no reason to create array with make and use in for returned slice of it when array created via literal can be used and it's shorter
for i := range [5]int{} {
fmt.Println(i)
}
...
Why is argc not a constant?
... shall be a null pointer.
If the value of argc is greater than zero, the array members argv[0] through
argv[argc-1] inclusive shall contain pointers to strings, which are given
implementation-defined values by the host environment prior to program startup. The
intent is to supply to the prog...
Display image as grayscale using matplotlib
...age
fname = 'image.png'
image = Image.open(fname).convert("L")
arr = np.asarray(image)
plt.imshow(arr, cmap='gray', vmin=0, vmax=255)
plt.show()
If you want to display the inverse grayscale, switch the cmap to cmap='gray_r'.
...
How to get the name of a class without the package?
...n empty string if the underlying class is anonymous.
The simple name of an array is the simple name of the component type with "[]" appended. In particular the simple name of an array whose component type is anonymous is "[]".
It is actually stripping the package information from the name, but this...
How to save a BufferedImage as a File
...getWriterFormatNames methods of the ImageIO class. These methods return an array of strings listing all of the formats supported in this JRE.
String writerNames[] = ImageIO.getWriterFormatNames();
The returned array of names will include any additional plug-ins that are installed and any of these na...
How to send an email using PHP?
...ane Doe sends you a message')
// The from address(es)
->setFrom(array('jane.doe@gmail.com' => 'Jane Doe'))
// The to address(es)
->setTo(array('frank.stevens@gmail.com' => 'Frank Stevens'))
// Here, you put the content of your email
->setBody('<h3>New mes...
Is inject the same thing as reduce in ruby?
...he same thing? Why does Ruby have so many aliases (such as map/collect for arrays)? Thanks a lot.
2 Answers
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Going from a framework to no-framework [closed]
...ork you're looking for as part of the standard library.
Use filter_input_array to declaratively sanitize stuff coming in from the outside.
Access your database via PDO with parameterized SQL to prevent SQL injection attacks.
Use the following PHP settings to make your site more resistant to sessio...
Unit testing code with a file system dependency
...ave_shouldBase64EncodeContents() {
OutputStream outputStream = new ByteArrayOutputStream();
StreamFactory streamFactory = mock(StreamFactory.class);
when(streamFactory.outStream()).thenReturn(outputStream);
// Run the method under test
Base64FileWriter fileWriter = new Base64Fil...