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How do you use version control with Access development?
I'm involved with updating an Access solution. It has a good amount of VBA, a number of queries, a small amount of tables, and a few forms for data entry & report generation. It's an ideal candidate for Access.
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Why is processing a sorted array faster than processing an unsorted array?
...ator of a junction and you hear a train coming. You have no idea which way it is supposed to go. You stop the train to ask the driver which direction they want. And then you set the switch appropriately.
Trains are heavy and have a lot of inertia. So they take forever to start up and slow down.
Is t...
Is there an eval() function in Java? [duplicate]
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You can use the ScriptEngine class and evaluate it as a Javascript string.
ScriptEngineManager manager = new ScriptEngineManager();
ScriptEngine engine = manager.getEngineByName("js");
Object result = engine.eval("4*5");
There may be a better way, but this one works.
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Test whether a list contains a specific value in Clojure
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Ah, contains?... supposedly one of the top five FAQs re: Clojure.
It does not check whether a collection contains a value; it checks whether an item could be retrieved with get or, in other words, whether a collection contains a key. This makes sense for sets (which can be thought of as mak...
How to round up the result of integer division?
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For languages with a proper Euclidian-division operator such as Python, an even simpler approach would be pageCount = -((-records) // recordsPerPage).
– supercat
Jul 4 '18 at 16:45
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Check if a value is an object in JavaScript
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Original answer:
Try using typeof(var) and/or var instanceof something.
EDIT: This answer gives an idea of how to examine variable's properties, but it is not a bulletproof recipe (after all there's no recipe at all!) for checking whether it's an object, far from it. Since people tend to look for s...
Non-static variable cannot be referenced from a static context
I've written this test code:
12 Answers
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Aren't Python strings immutable? Then why does a + “ ” + b work?
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It's even more convincing to try something like x = 'abc'; x[1] = 'x' in the Python repl
– xpmatteo
May 23 '17 at 6:11
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If i synchronized two methods on the same class, can they run simultaneously?
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Both methods lock the same monitor. Therefore, you can't simultaneously execute them on the same object from different threads (one of the two methods will block until the other is finished).
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How to get HttpClient to pass credentials along with the request?
...s using the ASP.Net MVC Web API (self-hosted), and so can be communicated with over http using JSON. The web application is configured to do impersonation, the idea being that the user who makes the request to the web application should be the user that the web application uses to make the request t...