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How are software license keys generated?
...at will appear to work but fail on a future version due to a typographical error.
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Modern way to filter STL container?
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edited Apr 6 at 3:05
answered Aug 2 '19 at 4:06
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How do I check that multiple keys are in a dict in a single pass?
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edited May 10 at 21:05
user2357112 supports Monica
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Core Data: Quickest way to delete all instances of an entity
...istentStoreCoordinator.execute(deleteRequest, with: myContext)
} catch let error as NSError {
// TODO: handle the error
}
Objective-C
NSFetchRequest *request = [[NSFetchRequest alloc] initWithEntityName:@"Car"];
NSBatchDeleteRequest *delete = [[NSBatchDeleteRequest alloc] initWithFetchRequest...
Bootstrap with jQuery Validation Plugin
...uery Validation Plugin, but I'm having a problem where the plugin puts the error messages when I'm using input groups.
15 A...
Adding Core Data to existing iPhone project
... core data to an existing iPhone project, but I still get a lot of compile errors:
13 Answers
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Fully custom validation error message with Rails
Using Rails I'm trying to get an error message like "The song field can't be empty" on save. Doing the following:
17 Answer...
Break promise chain and call a function based on the step in the chain where it is broken (rejected)
...say you have something like the following:
stepOne()
.then(stepTwo, handleErrorOne)
.then(stepThree, handleErrorTwo)
.then(null, handleErrorThree);
To better understand what's happening, let's pretend this is synchronous code with try/catch blocks:
try {
try {
try {
var a...
PHP parse/syntax errors; and how to solve them
Everyone runs into syntax errors. Even experienced programmers make typos. For newcomers, it's just part of the learning process. However, it's often easy to interpret error messages such as:
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Java SimpleDateFormat(“yyyy-MM-dd'T'HH:mm:ss'Z'”) gives timezone as IST
... It gives me java.text.ParseException: Unparseable date: "2018-05-01T18:30:00.000Z" @AZ_
– Mansuu....
Mar 19 '18 at 10:54
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