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The best way to remove duplicate values from NSMutableArray in Objective-C?
...sing NSSet is a sensible approach.
To add to Jim Puls' answer, here's an alternative approach to stripping duplicates while retaining order:
// Initialise a new, empty mutable array
NSMutableArray *unique = [NSMutableArray array];
for (id obj in originalArray) {
if (![unique containsObject:o...
Convert String[] to comma separated string in java
...
if (name.length > 0) {
StringBuilder nameBuilder = new StringBuilder();
for (String n : name) {
nameBuilder.append("'").append(n.replace("'", "\\'")).append("',");
// can also do the following
// nameB...
In C#, how to check if a TCP port is available?
...ou can then interrogate about endpoint IP and port.
int port = 456; //<--- This is your value
bool isAvailable = true;
// Evaluate current system tcp connections. This is the same information provided
// by the netstat command line application, just in .Net strongly-typed object
// form....
Difference between Statement and PreparedStatement
... statement in batches.
Automatic prevention of SQL injection attacks by builtin escaping of quotes and other special characters. Note that this requires that you use any of the PreparedStatement setXxx() methods to set the values
preparedStatement = connection.prepareStatement("INSERT INTO Person ...
getMonth in javascript gives previous month
...
Most probably you will have to do d1.getMonth() < 12 ? d1.getMonth() + 1 : 1 - otherwise December would be 13, not?
– DanielKhan
May 14 '17 at 9:10
9
...
How to find out if an installed Eclipse is 32 or 64 bit version?
...
Help -> About Eclipse -> Installation Details -> tab Configuration
Look for -arch, and below it you'll see either x86_64 (meaning 64bit) or x86 (meaning 32bit).
...
What are unit tests, integration tests, smoke tests, and regression tests?
...m will not fail catastrophically. A dev process may be: "Build " passed? => "Smoke test" passed ? => "Acceptance test" passed => out to QA team for detailed testing.
– Cristian Diaconescu
Jun 5 '13 at 11:58
...
Replace words in a string - Ruby
...to disastrous results:
'mislocated cat, vindicating'.gsub('cat', 'dog')
=> "mislodoged dog, vindidoging"
Regular expressions have word boundaries, such as \b which matches start or end of a word. Thus,
'mislocated cat, vindicating'.gsub(/\bcat\b/, 'dog')
=> "mislocated dog, vindicating"
...
Check if a dialog is displayed with Espresso
...ton1)).perform(click());
UPDATE
I think is possible since Espresso has multi window support.
Not sure about clicking outside the custom dialog view but for checking if it is displaying or not you have to create your custom matcher and check inside it.
...
Rotating a two-dimensional array in Python
...iginal = [[1, 2],
[3, 4]]
Lets break it down step by step:
>>> original[::-1] # elements of original are reversed
[[3, 4], [1, 2]]
This list is passed into zip() using argument unpacking, so the zip call ends up being the equivalent of this:
zip([3, 4],
[1, 2])
# ...