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Best way to serialize an NSData into a hexadeximal string
...decimal string. The idea is to serialize the deviceToken used for notification before sending it to my server.
15 Answers
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What is the difference between pip and conda?
...er, not as a core feature. Conda manages environments, each with their own mix of installed packages at specific versions. So project A, having been developed some time ago, can still cling on to an older version of library Foo (no resources available to upgrade the project to work with a newer rele...
Launch custom android application from android browser
Can anybody please guide me regarding how to launch my android application from the android browser?
16 Answers
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Using Kafka as a (CQRS) Eventstore. Good idea?
...essages—whether or not they
have been consumed—for a configurable period of time. For example if
the retention is set for two days, then for the two days after a
message is published it is available for consumption, after which it
will be discarded to free up space. Kafka's performance i...
UILabel - Wordwrap text
...iting a UILabel in IB, you can enter multiple lines of text by pressing option+return to get a line break - return alone will finish editing.
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What is a provisioning profile used for when developing iPhone applications?
What is the purpose of a provisioning profile and why is it needed when developing an iPhone application? If I don't have a provisioning profile, what happens?
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How to track down log4net problems
...n, it's very easy to build and debug the source code. If you don't want to mix this up with your development project, add a simple console application which just logs a message, copy your project's log4net.config to this application, and debug the class in question.
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How to convert a data frame column to numeric type?
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Warning != Error. You don't get an error converting mixed numeric/character to numeric, you get a warning and some NA values.
– Gregor Thomas
Apr 18 '18 at 13:01
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How to overload the operator++ in two different ways for postfix a++ and prefix ++a?
... correct all the way through apart from a sentence in the middle where you mix. Its prefix that is better.
– Martin York
Oct 2 '10 at 19:10
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How do I check if a string contains a specific word?
...ng you can use the PHP function strpos().
int strpos ( string $haystack , mixed $needle [, int $offset = 0 ] )
<?php
$haystack = 'how are you';
$needle = 'are';
if (strpos($haystack,$needle) !== false) {
echo "$haystack contains $needle";
}
?>
CAUTION:
If the needle you are searchi...