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Why is string concatenation faster than array join?
...EFINED(this) && !IS_UNDETECTABLE(this)) {
throw MakeTypeError("called_on_null_or_undefined", ["String.prototype.concat"]);
}
var len = %_ArgumentsLength();
var this_as_string = TO_STRING_INLINE(this);
if (len === 1) {
return this_as_string + %_Arguments(0);
}
var parts = ...
If using maven, usually you put log4j.properties under java or resources?
...king of leaving the concrete log config to the client/user, you should consider replacing log4j with slf4j in your app.
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C# DateTime.Now precision
...with DateTime.UtcNow while doing some unit tests. It appears that when you call DateTime.Now/UtcNow in rapid succession, it seems to give you back the same value for a longer-than-expected interval of time, rather than capturing more precise millisecond increments.
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How to linebreak an svg text within javascript?
... why the x='0' dy='1.2em' is needed? It does work, indeed, just like you said. However, I was expecting it to work even without those attributes. Instead, nothing's displayed... Also, I'mnot entirely clear on why the linebreak occurs at all. It's not like we've set up the width of the container to s...
UITableview: How to Disable Selection for Some Rows but Not Others
...ctionStyle = UITableViewCellSelectionStyleNone; will still cause the UI to call didSelectRowAtIndexPath when touched by the user. To avoid this, do as suggested below and set.
cell.userInteractionEnabled = NO;
instead. Also note you may want to set cell.textLabel.enabled = NO; to gray out the ite...
Just what is an IntPtr exactly?
...it doesn't always take the same number of bytes to hold that number, so we call a "native size integer" one that can hold a pointer on any particular system.
– Sam Harwell
Jul 18 '09 at 18:24
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How to check if a model has a certain column/attribute?
...cking my models for ones that had a user, but had to instead look for user_id since some models delegated user.
– MattyB
Jul 22 '15 at 16:16
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How can mixed data types (int, float, char, etc) be stored in an array?
...
@texasbruce also called a "tagged union". I'm using this technique too in my own language. ;)
– user529758
Sep 2 '13 at 16:50
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AngularJS : automatically detect change in model
Suppose I wanted to do something like automatically run some code (like saving data to a server) whenever a model's values change. Is the only way to do this by setting something like ng-change on each control that could possibly alter the model?
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How do I put all required JAR files in a library folder inside the final JAR file with Maven?
... application, and I want to package all the dependencies in my JAR file inside a library folder, as mentioned in one of the answers here:
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