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Is it safe to delete an object property while iterating over them?
When iterating over an object's properties, is it safe to delete them while in a for-in loop?
2 Answers
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QLabel: set color of text and background
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edited Aug 17 '15 at 8:23
tomvodi
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Ioc/DI - Why do I have to reference all layers/assemblies in application's entry point?
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If I wasn't using a DI container, I wouldn't have to reference EntityFramework library in my MVC3 app, only my business layer which would reference my DAL/Repo layer.
Yes, that's exactly the situation DI works so hard to avoid :)
With tightly coupled code, each library may only have a fe...
String.format() to format double in java
... I believe the "%1$" is optional in this case. Works for me with just "%,.2f" as the format String.
– Matt Passell
Mar 12 '14 at 19:36
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Padding or margin value in pixels as integer using jQuery
...s "padding-left" or "margin-top".
Example:
CSS
a, a:link, a:hover, a:visited, a:active {color:black;margin-top:10px;text-decoration: none;}
JS
$("a").css("margin-top");
The result is 10px.
If you want to get the integer value, you can do the following:
parseInt($("a").css("margin-top"))
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What is “loose coupling?” Please provide examples
I can't seem to grok the concept of "loose coupling." I suppose it doesn't help that the word "loose" usually has a negative connotation, so I always forget that loose coupling is a good thing.
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How to refresh Android listview?
...ur Adapter object once you've modified the data in that adapter.
Some additional specifics on how/when to call notifyDataSetChanged() can be viewed in this Google I/O video.
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How to open the Google Play Store directly from my Android application?
...ppPackageName = getPackageName(); // getPackageName() from Context or Activity object
try {
startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("market://details?id=" + appPackageName)));
} catch (android.content.ActivityNotFoundException anfe) {
startActivity(new Intent(Intent.ACTION_VIE...
Breaking out of a nested loop
If I have a for loop which is nested within another, how can I efficiently come out of both loops (inner and outer) in the quickest possible way?
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How to create a subdirectory for a project QtCreator?
I would like to divide my Qt project into several directories because it is growing pretty large. However, when I click on browse in QtCreator, there is no 'Add directory' and no such thing in 'Add new'. Can this be done somehow?
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