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How to design a database for User Defined Fields?
...ed to stay around for reference purposes only, so I'd like to put those in one table. Other UDFs are defined as needed (I can't identify them in advance.. they usually are created when we change some process or decide to track something special for a few months) and are commonly used in queries. I t...
How to pass a single object[] to a params object[]
...me used to in other languages. params could have been made to only accept one form, and a spread like feature could be added that would benefit the entire language, not just this case. for example, we could force all param calls to be Foo(obj[0], obj[1]), and then have a separate spread operator a...
Switching to a TabBar tab view programmatically?
Let's say I have a UIButton in one tab view in my iPhone app, and I want to have it open a different tab in the tab bar of the TabBarController . How would I write the code to do this?
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how to break the _.each function in underscore.js
...allback function once for each element present in the array until it finds one where callback returns a false value. If such an element is found, the every method immediately returns false.
In other words, you could do something convoluted like this (link to JSFiddle):
[1, 2, 3, 4].every(function...
Why does Java have transient fields?
...ou may have fields that are derived from other fields, and should only be done so programmatically, rather than having the state be persisted via serialization.
Here's a GalleryImage class which contains an image and a thumbnail derived from the image:
class GalleryImage implements Serializable
{...
Benefit of using Parcelable instead of serializing object
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@lxx :I was wondering why one would need to pass an parcelable object through bundle to the activity. IMO if you do so you are adding one more level of serialization unnecessarily & nothing else.
– Rise
Nov 2...
How to prevent ifelse() from turning Date objects into numeric objects
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Is there a way to have one of the arguments of the if_else be NA? I've attempted the logical NA_ options and nothing is sticking and I do not believe there is an NA_double_
– roarkz
Jun 27 '17 at 13:28
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Most efficient method to groupby on an array of objects
...]] || []).push(x);
return rv;
}, {});
};
console.log(groupBy(['one', 'two', 'three'], 'length'));
// => {3: ["one", "two"], 5: ["three"]}
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How to change file encoding in NetBeans?
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Thanks. If someone know such a tool, please post it here: superuser.com/questions/208948/…
– Dawid Ohia
Nov 9 '10 at 14:23
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print call stack in C or C++
...ad, were nicely demangled for us.
Note that the first int calls is off by one line (28 instead of 27 and the second one is off by two lines (27 instead of 29). It was suggested in the comments that this is because the following instruction address is being considered, which makes 27 become 28, and ...