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Android: Go back to previous activity
...tivity stack. Whenever you start a new activity with an intent you can specify an intent flag like FLAG_ACTIVITY_REORDER_TO_FRONT or FLAG_ACTIVITY_PREVIOUS_IS_TOP. You can use this to shuffle between the activities in your application. Haven't used them much though. Have a look at the flags here: ht...
What's the best practice for primary keys in tables?
... situations.
On surrogate vs natural key, I refer to the rules above. If the natural key is small and will never change it can be used as a primary key. If the natural key is large or likely to change I use surrogate keys. If there is no primary key I still make a surrogate key because experien...
What is the difference between List (of T) and Collection(of T)?
...nd I am worried I'm about to go down a path in design that is irreversible if I don't understand this better. Also, I am using .NET.
...
How can I determine the current line number in JavaScript?
... for determining the line number of the currently executing statement (and if so, what is it)?
8 Answers
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Change Activity's theme programmatically
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Works for me on MotoG (v1) with stack Android 5.1. If it is not working for you please share device+android version.
– lenrok258
Jun 17 '16 at 10:14
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How can I remove or replace SVG content?
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actually if you want to remove elements from svg it would be better to use: svg.selectAll("*").remove();. This clear contents of the element even if set svg variable to a grouping element (g).
– Nux
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How to count duplicate value in an array in javascript
...nt = 0;
for (var i = 0; i < array_elements.length; i++) {
if (array_elements[i] != current) {
if (cnt > 0) {
document.write(current + ' comes --> ' + cnt + ' times<br>');
}
current = array_elements[i];
...
convert double to int
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You can use a cast if you want the default truncate-towards-zero behaviour. Alternatively, you might want to use Math.Ceiling, Math.Round, Math.Floor etc - although you'll still need a cast afterwards.
Don't forget that the range of int is muc...
How to define a preprocessor symbol in Xcode
...is:
constant_1=VALUE constant_2=VALUE
Note that you don't need the '='s if you just want to #define a symbol, rather than giving it a value (for #ifdef statements)
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How can I remove a style added with .css() function?
...on't get to set the requirements of any solution you develop for a client. If that client wants or needs support for an older browser, it;s your job to provide it, period. You guys talking about "who cares" give true engineers a bad name.
– Ed DeGagne
Dec 29 '1...