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What does void* mean and how to use it?
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10 Answers
10
Active
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Counting inversions in an array
...on in java.
long merge(int[] arr, int[] left, int[] right) {
int i = 0, j = 0, count = 0;
while (i < left.length || j < right.length) {
if (i == left.length) {
arr[i+j] = right[j];
j++;
} else if (j == right.length) {
arr[i+j] = lef...
Convert NSData to String?
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260
Objective-C
You can use (see NSString Class Reference)
- (id)initWithData:(NSData *)data encodin...
BroadcastReceiver with multiple filters or multiple BroadcastReceivers?
...ment?
– gonzobrains
May 8 '13 at 23:01
2
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Print a list in reverse order with range()?
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use reversed() function:
reversed(range(10))
It's much more meaningful.
Update:
If you want it to be a list (as btk pointed out):
list(reversed(range(10)))
Update:
If you want to use only range to achieve the same result, you can use all its parameters. ran...
What is the difference between a cer, pvk, and pfx file?
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Windows uses .cer extension for an X.509 certificate. These can be in "binary" (ASN.1 DER), or it can be encoded with Base-64 and have a header and footer applied (PEM); Windows will recognize either. To verify the integrity of a certificate, you have to check it...
File.separator vs FileSystem.getSeparator() vs System.getProperty(“file.separator”)?
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answered Nov 10 '11 at 5:46
Bringer128Bringer128
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Changing the status bar text color in splash screen iOS 7
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– Rafael Nobre
Oct 28 '13 at 19:30
1
Text color of status bar is either white, or black. The b...
round up to 2 decimal places in java? [duplicate]
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Well this one works...
double roundOff = Math.round(a * 100.0) / 100.0;
Output is
123.14
Or as @Rufein said
double roundOff = (double) Math.round(a * 100) / 100;
this will do it for you as well.
s...
Object reference not set to an instance of an object.Why doesn't .NET show which object is `null`?
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(For information about the new exception helper in Visual Studio 2017 see the end of this answer)
Consider this code:
String s = null;
Console.WriteLine(s.Length);
This will throw a NullReferenceException in the second line and you want to know why .NET doesn't tell you that it was s ...