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In Python, what is the difference between “.append()” and “+= []”?
...l add one item to the list, while += will copy all elements of right-hand-side list into the left-hand-side list.
Update: perf analysis
Comparing bytecodes we can assume that append version wastes cycles in LOAD_ATTR + CALL_FUNCTION, and += version -- in BUILD_LIST. Apparently BUILD_LIST outweighs...
How to parse/format dates with LocalDateTime? (Java 8)
...e LocalDateTime class instead of on the instance? At least, that's what I did: I confused DateTime with dateTime in the example above.
– glaed
Aug 26 '16 at 15:10
...
How to use HTML to print header and footer on every printed page of a document?
...
This did not work for me, I'm using Chrome 15.0. All it does is print the element where it would be on the screen, e.g. in the middle of the page, if that's where I scrolled to. It certainly doesn't print on every page.
...
How to set a Default Route (To an Area) in MVC
Ok this has been asked before but there is no solid solution out there. So for purpose of myself and others who may find this useful.
...
This Row already belongs to another table error when trying to add rows?
...ill be added or exception thrown.
var drFail = dt.NewRow()
drFail["CustomerID"] = "[Your data here]";
// dt.Rows.Add(row); // Uncomment for import to succeed.
myTable.ImportRow(drFail);
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imp...
How do I hide an element when printing a web page?
...t's given in this answer, it will not work. Believe me I've tried. So how did this get 69 upvotes?
– Codeguy007
Nov 16 '12 at 21:39
...
How to use icons and symbols from “Font Awesome” on Native Android Application
...t using Typeface.createFromAsset() , but I also want to use the icons provided by this font, but so far I haven't been able to do that.
...
App Inventor 2 DynamicComponents 拓展：动态创建AI2组件对象 · App Inventor 2 中文网
...不将其保存到已创建的组件列表中，因此它不会关联到 ID。请注意，你无法直接在 Screen 中创建组件，你需要事先在 Screen 中设置布局才能执行此操作。
将已创建组件的 ID...
How to programmatically set style attribute in a view
...mmatically; you can set the look of a screen, or part of a layout, or individual button in your XML layout using themes or styles. Themes can, however, be applied programmatically.
There is also such a thing as a StateListDrawable which lets you define different drawables for each state the your B...
Can I have multiple background images using CSS?
...ay you can work around it is to have extra divs:
<body>
<div id="bgTopDiv">
content here
</div>
</body>
body{
background-image: url(images/bg.png);
}
#bgTopDiv{
background-image: url(images/bgTop.png);
background-repeat: repeat-x;
}
...