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Converting JSONarray to ArrayList
I am downloading a JSON string and converting it to JSONArray. Im putting it into a listview and need to be able to delete from that listview later, and since JSONArray has no .remove method (Thanks Obama), I am trying to convert it to an arraylist.
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Convert Go map to json
I tried to convert my Go map to a json string with encoding/json Marshal, but it resulted in a empty string.
3 Answers
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How to convert a char array back to a string?
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This will convert char array back to string:
char[] charArray = {'a', 'b', 'c'};
String str = String.valueOf(charArray);
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im...
How to convert a file into a dictionary?
I have a file comprising two columns, i.e.,
11 Answers
11
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switch case statement error: case expressions must be constant expression
...efore your code would no longer compile.
The solution for this is simple: Convert the switch statement into an if-else statement.
public void onClick(View src)
{
int id = src.getId();
if (id == R.id.playbtn){
checkwificonnection();
} else if (id == R.id.stopbtn){
Log.d(...
What's the fastest way to convert String to Number in JavaScript?
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There are at least 5 ways to do this:
If you want to convert to integers only, another fast (and short) way is the double-bitwise not (i.e. using two tilde characters):
e.g.
~~x;
Reference: http://james.padolsey.com/cool-stuff/double-bitwise-not/
The 5 common ways I know so...
PHP json_encode encoding numbers as strings
...er":"test","ananother":456}
So, in this case, the integers have not been converted to string.
Still, this might be dependant of the version of PHP we are using : there have been a couple of json_encode related bugs corrected, depending on the version of PHP...
This test has been made with PHP 5...
How to convert integer timestamp to Python datetime
... 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: true,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix...
Where is the WPF Numeric UpDown control?
...s e)
{
int number;
if (NUDTextBox.Text != "") number = Convert.ToInt32(NUDTextBox.Text);
else number = 0;
if (number < maxvalue)
NUDTextBox.Text = Convert.ToString(number + 1);
}
private void NUDButtonDown_Click(object sender, RoutedEventA...
How to compare two colors for similarity/difference
...ues are in the sRGB colorspace, find the sRGB to Lab* conversion formulas, convert your sRGB colors to Lab*, and compute deltaE between your two Lab* values. It's not computationally expensive, it's just some nonlinear formulas and some multiplies and adds.
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