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Should I use encoding declaration in Python 3?
...ou only need to use that declaration when you deviate from the default, or if you rely on other tools (like your IDE or text editor) to make use of that information.
In other words, as far as Python is concerned, only when you want to use an encoding that differs do you have to use that declaration...
How to convert a Map to List in Java?
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If we have LinkedHashMap - will the order leave the same?
– user2022068
Jun 6 '15 at 18:42
1
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RGB to hex and hex to RGB
...pect integer values for r, g and b, so you'll need to do your own rounding if you have non-integer values.
The following will do to the RGB to hex conversion and add any required zero padding:
function componentToHex(c) {
var hex = c.toString(16);
return hex.length == 1 ? "0" + hex : he...
Enable zooming/pinch on UIWebView
...
you can use webView.scalesPageToFit=YES; programmatically
If you are using in xib than just click the check box "Scaling" scales Page to fit
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Are arrays passed by value or passed by reference in Java? [duplicate]
... a primitive type?
Short answers: 1) pass by value, and 2) it makes no difference.
Longer answer:
Like all Java objects, arrays are passed by value ... but the value is the reference to the array. So, when you assign something to a cell of the array in the called method, you will be assigning ...
How do you effectively model inheritance in a database?
... key to the base class table; the derived table's class contains only the different elements.
So for example:
class Person {
public int ID;
public string FirstName;
public string LastName;
}
class Employee : Person {
public DateTime StartDate;
}
Would result in tables like:
tab...
社交应用组件 · App Inventor 2 中文网
...置联系人选择框的字体，目前支持的字体有：default, serif, sans serif, 和 monospace。
要使用自定义字体，请将 .ttf 字体文件上传并选中它。
高度
设置联系人选择框的垂直高度，以像素px为单位。
高度百分比
设置联系...
Django Template Variables and Javascript
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Just to add on to this for reference: if the "someDjangoVariable" so happens to be JSON, be sure to use {{ someDjangoVariable|safe }} to remove the "
– Mark
Feb 7 '12 at 14:39
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Rails migration for change column
..., but … I understand the answer but not the comments on this answer. Clarifications appreciated :)
– Alan H.
Oct 12 '11 at 1:25
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How to use SharedPreferences in Android to store, fetch and edit values [closed]
...>/ApiDemos directory
Edit==>
I noticed, it is important to write difference between commit() and apply() here as well.
commit() return true if value saved successfully otherwise false. It save values to SharedPreferences synchronously.
apply() was added in 2.3 and doesn't return any value...