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Clearing purchases from iOS in-app purchase sandbox for a test user
... accounts associated to one email. Gmail for example lets you add a "plus" string to the email to create aliases for an address: so tester+01@gmail.com and tester+02@gmail.com both really just go to tester@gmail.com. Probably other email hosts do the same. When you create a test account you need to ...
How to sort in-place using the merge sort algorithm?
...rrays only actually contain single words per element, e.g., a pointer to a string or structure) to trade off some space for time and have a separate temporary array that you sort back and forth between.
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How to convert Java String into byte[]?
Is there any way to convert Java String to a byte[] ( not the boxed Byte[] )?
8 Answers
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How to get Android crash logs?
...hrowable e) {
StackTraceElement[] arr = e.getStackTrace();
String report = e.toString()+"\n\n";
report += "--------- Stack trace ---------\n\n";
for (int i=0; i<arr.length; i++) {
report += " "+arr[i].toString()+"\n";
}
report += "---...
What’s the difference between “Array()” and “[]” while declaring a JavaScript array?
...re the same
d = new Array('foo', 'bar'), // c and d are arrays with 2 strings
// these are different:
e = [3] // e.length == 1, e[0] == 3
f = new Array(3), // f.length == 3, f[0] == undefined
;
Another difference is that when using new Array() you're able to set th...
Javascript calculate the day of the year (1 - 366)
... that for 0-based month values, one just needs to remove the -- from --m.
Extra:
Note, don't use this day's per month algorithm if you need just max day's per month. In that case there is a more efficient algorithm (because we only need leepYear when the month is February) I posted as answer this q...
design a stack such that getMinimum( ) should be O(1)
...isEmpty () {
return size == 0;
}
public static void main (String...args) {
StackWithMin stack = new StackWithMin();
for ( String arg: args )
stack.push( Integer.parseInt( arg ) );
while ( ! stack.isEmpty() ) {
int min = stack.getMin...
How do I create a multiline Python string with inline variables?
I am looking for a clean way to use variables within a multiline Python string. Say I wanted to do the following:
7 Answers...
How to get first character of string?
I have a string, and I need to get its first character.
16 Answers
16
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REST API 404: Bad URI, or Missing Resource?
... Don't return 200 with an empty body.
This is akin to undefined vs empty string (e.g. "") in programming. While very similar, there is definitely a difference.
404 means that nothing exists at that URI (like an undefined variable in programming). Returning 200 with an empty body means that some...