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Monad in plain English? (For the OOP programmer with no FP background)
...on, that composition is associative, and so on.
In C#, "Bind" is called "SelectMany". Take a look at how it works on the sequence monad. We need to have two things: turn a value into a sequence and bind operations on sequences. As a bonus, we also have "turn a sequence back into a value". Those op...
Make iframe automatically adjust height according to the contents without using scrollbar? [duplicat
...Window.document.documentElement.scrollHeight + 'px';
}
</script>
And change your iframe to this:
<iframe src="..." frameborder="0" scrolling="no" onload="resizeIframe(this)" />
As found on sitepoint discussion.
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HTML5 form required attribute. Set custom validation message?
...therefore you must clear it before testing validity, you can't just set it and forget.
Further edit
As pointed out in @thomasvdb's comment below, you need to clear the custom validity in some event outside of invalid otherwise there may be an extra pass through the oninvalid handler to clear it.
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Flask-SQLalchemy update a row's information
...like this 'db.add(user)' then 'dv.session.commit()'. Why do the both work? and what's the difference?
– pocorschi
Jul 15 '11 at 7:21
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Unable to execute dex: method ID not in [0, 0xffff]: 65536
...is one is new. clean/restart etc won't help. Library projects seems intact and dependency seems to be linked correctly.
12...
Where'd padding go, when setting background Drawable?
I have this issue on my EditText and Button views, where I have a nice padding for them to space away from the text, but when I change the background with setBackgroundDrawable or setBackgroundResource that padding is lost forever.
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VC MFC工具栏(CToolBar)控件 - C/C++ - 清泛网 - 专注C/C++及内核技术
...nd* pParentWnd,//按钮的父窗口(按钮属于哪个窗口）
UINT nID//指明按钮控件ID号
);
这个函数的第二个参数dwStyle是按钮控件的样式，也就是在可视化添加按钮控件时，右击按钮控件，选择属性，之后会弹出一个对话框，这个对...
Drawable image on a canvas
...w(canvas);
This will work with all kinds of drawables, not only bitmaps. And it also means that you can re-use that same drawable again if only the size changes.
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Importing variables from another file?
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from file1 import *
will import all objects and methods in file1
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Accessing members of items in a JSONArray with Java
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Have you tried using JSONArray.getJSONObject(int), and JSONArray.length() to create your for-loop:
for (int i = 0; i < recs.length(); ++i) {
JSONObject rec = recs.getJSONObject(i);
int id = rec.getInt("id");
String loc = rec.getString("loc");
// ...
}
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