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How do I sort a list by different parameters at different timed
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I think your enum approach is basically sound, but the switch statements really need a more object oriented approach. Consider:
enum PersonComparator implements Comparator<Person> {
ID_SORT {
public int compare...
OnNotify函数 ON_NOTIFY消息总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...的定义
typedef struct tagNMHDR
{
HWND hwndFrom;
UINT_PTR idFrom;
UINT code; // NM_ code
} NMHDR;
通过分析代码发现：
hwndFrom：必须有，声明消息来自哪个窗口。
idFrom：可有可无，声明窗口ID
code：具体的子消息...
Check if a string is null or empty in XSLT
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test="categoryName != ''"
Edit: This covers the most likely interpretation, in my opinion, of "[not] null or empty" as inferred from the question, including it's pseudo-code and my own early experience with XSLT. I.e., "What is the equivalent of the following Java?":
!(categoryName =...
How to select a drop-down menu value with Selenium using Python?
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Unless your click is firing some kind of ajax call to populate your list, you don't actually need to execute the click.
Just find the element and then enumerate the options, selecting the option(s) you want.
Here is an example:
from selenium impo...
Send data from activity to fragment in Android
...ses. First is activity, second is a fragment where I have some EditText . In activity I have a subclass with async-task and in method doInBackground I get some result, which I save to variable. How can I send this variable from subclass "my activity" to this fragment?
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Is there a `pointer-events:hoverOnly` or similar in CSS?
Just been playing about with pointer-events property in CSS.
7 Answers
7
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Is Redis just a cache?
I have been reading some Redis docs and trying the tutorial at http://try.redis-db.com/ . So far, I can't see any difference between Redis and caching technologies like Velocity or the Enterprise Library Caching Framework
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Android draw a Horizontal line between views
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It will draw Silver gray colored Line between TextView & ListView
<TextView
android:id="@+id/textView1"
style="@style/behindMenuItemLabel1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_...
How to determine if Javascript array contains an object with an attribute that equals a given value?
...This answer is from 2011, before browsers had widely supported array filtering methods and arrow functions. Have a look at CAFxX's answer.
There is no "magic" way to check for something in an array without a loop. Even if you use some function, the function itself will use a loop. What you can do i...
what is the difference between GROUP BY and ORDER BY in sql
When do you use which in general? Examples are highly encouraged!
11 Answers
11
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