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How to add Action Bar from support library into PreferenceActivity?
...anks, this works for me - i'd change new LinearLayout in the first inflate call to: (ViewGroup) getWindow().getDecorView().getRootView()
– ahmedre
Nov 5 '14 at 7:47
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Difference between java.util.Random and java.security.SecureRandom
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The standard Oracle JDK 7 implementation uses what's called a Linear Congruential Generator to produce random values in java.util.Random.
Taken from java.util.Random source code (JDK 7u2), from a comment on the method protected int next(int bits), which is the one that gener...
Comparing date ranges
...-| equal start with end of comparison period
If your table has columns called range_end and range_start, here's some simple SQL to retrieve all the matching rows:
SELECT *
FROM periods
WHERE NOT (range_start > @check_period_end
OR range_end < @check_period_start)
Note the N...
Finding the type of an object in C++
...bject of type A as a parameter, so I have to accept an A. However, I later call functions that only B has, so I want to return false and not proceed if the object passed is not of type B.
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Labels for radio buttons in rails form
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If you want the object_name prefixed to any ID you should call form helpers on the form object:
- form_for(@message) do |f|
= f.label :email
This also makes sure any submitted data is stored in memory should there be any validation errors etc.
If you can't call the form helper...
RESTful password reset
...)
You can't use HTTP DELETE through a form, so you'll have to make an AJAX call and/or tunnel the DELETE through the POST.
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jQuery: checking if the value of a field is null (empty)
...f you want to check if the element exist at all, you should do that before calling val:
var $d = $('#person_data[document_type]');
if ($d.length != 0) {
if ($d.val().length != 0 ) {...}
}
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How to verify a method is called two times with mockito verify()
I want to verify if a method is called at least once through mockito verify. I used verify and it complains like this:
1 An...
Difference between objectForKey and valueForKey?
...= [newAccount accountNumber];
Using KVC, I can access the property dynamically:
NSNumber *anAccountNumber = [NSNumber numberWithInt:12345];
Account *newAccount = [[Account alloc] init];
[newAccount setValue:anAccountNumber forKey:@"accountNumber"];
NSNumber *anotherAccountNumber = [newAccount v...
MFC的多国语言界面的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...:OnClose()
{
// TODO: Add your message handler code here and/or call default
// 判断是否需要重新启动窗口
if (m_bRestartFlag)
{
CString strFileName = _T("");
GetModuleFileName(NULL, strFileName.GetBuffer(MAX_...