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How to read contacts on Android 2.0
...gh ContactsContract.CommonDataKinds.Phone.HAS_PHONE_NUMBER is valid if you include that in the projection argument it breaks the query, I don't know why and it is frustrating that it does.
The second part of the code above is too slow, all the query calls just bog everything down. The following co...
How can you make a custom keyboard in Android?
...e tells the system the input method subtypes that are available. I am just including a minimal version here.
<?xml version="1.0" encoding="utf-8"?>
<input-method
xmlns:android="http://schemas.android.com/apk/res/android">
<subtype
android:imeSubtypeMode="keyboard"/&g...
Meaning of @classmethod and @staticmethod for beginner? [duplicate]
...on of an instance has access to every attribute of that
instance, including its class (and its attributes.)
Not accepting at least one argument is a TypeError.
Not understanding the semantics of that argument is a user error.
"""
return some_function_f(self)
...
How can I implement an Access Control List in my Web MVC application?
... Router or Controller and expect a universal response? 2: If you wanted to include method + attributes, how would you handle that?
– Stephane
Sep 28 '12 at 3:56
...
var functionName = function() {} vs function functionName() {}
...and Method Declarations in class (ES2015+)
ES2015 brings us class syntax, including declared constructors and methods:
class Person {
constructor(firstName, lastName) {
this.firstName = firstName;
this.lastName = lastName;
}
getFullName() {
return this.firstNam...
Table with fixed header and fixed column on pure css
...ere are several issues with breaking the intended use of HTML in this way, including accessibility. See also: w3.org/WAI/tutorials/tables
– Ben Morris
Oct 3 '18 at 12:58
...
Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...体项目中常见的注意事项如下：
布局优化；尽量使用include、merge、ViewStub标签，尽量不存在冗余嵌套及过于复杂布局（譬如10层就会直接异常），尽量使用GONE替换INVISIBLE，使用weight后尽量将width和heigh设置为0dp减少运算，Item...
What's the difference between deadlock and livelock?
... the 'livelocked' tasks are following resource arbitration protocols which include 'backoff' delays, and spend most of their time in sleep state as result, then other tasks will not be starved.
– greggo
Mar 9 '15 at 14:17
...
How to prevent a dialog from closing when a button is clicked
...
Here are some solutions for all types of dialogs including a solution for AlertDialog.Builder that will work on all API levels (works below API 8, which the other answer here does not). There are solutions for AlertDialogs using AlertDialog.Builder, DialogFragment, and Dial...
Java 8: Lambda-Streams, Filter by Method with Exception
...erally can never throw the exception that it declares, then you should not include the throws clause.
For example: new String(byteArr, "UTF-8") throws UnsupportedEncodingException, but UTF-8 is guaranteed by the Java spec to always be present.
Here, the throws declaration is a nuisance and any sol...