大约有 16,000 项符合查询结果（耗时：0.0257秒） [XML]
What is the main purpose of setTag() getTag() methods of View?
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@Sagar: public void ui_click(View view){ if(20==((int)view.getTag())) view.setBackgroundColor(colorInt); } should do the trick for the color part. 20 is just a placeholder for the validating position of your View.
– RiA
Mar 10 '16 at 23...
Why doesn't java.util.Set have get(int index)?
...'s a good reason, but could someone please explain why the java.util.Set interface lacks get(int Index) , or any similar get() method?
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How do I find the length of an array?
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If you mean a C-style array, then you can do something like:
int a[7];
std::cout << "Length of array = " << (sizeof(a)/sizeof(*a)) << std::endl;
This doesn't work on pointers (i.e. it won't work for either of the following):
int *p = new int[7];
std::cout << ...
Is MonoTouch now banned on the iPhone? [closed]
...are prohibited
Kind of a bummer, MonoTouch and the Flash CS5 -> iPhone converter are very cool.
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Which one will execute faster, if (flag==0) or if (0==flag)?
Interview question: Which one will execute faster, if (flag==0) or if (0==flag) ? Why?
16 Answers
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Why is processing a sorted array faster than processing an unsorted array?
...ly useless.
Further reading: "Branch predictor" article on Wikipedia.
As hinted from above, the culprit is this if-statement:
if (data[c] >= 128)
sum += data[c];
Notice that the data is evenly distributed between 0 and 255. When the data is sorted, roughly the first half of the iterations w...
How to get the full path of running process?
... in results.Cast<ManagementObject>()
on p.Id equals (int)(uint)mo["ProcessId"]
select new
{
Process = p,
Path = (string)mo["ExecutablePath"],
CommandLine = (string)mo["CommandLine"],
...
Replace multiple characters in a C# string
... StringBuilder m_ReplaceSB;
private static StringBuilder GetReplaceSB(int capacity)
{
var result = m_ReplaceSB;
if (null == result)
{
result = new StringBuilder(capacity);
m_ReplaceSB = result;
}
else
{
res...
How to make a phone call in android and come back to my activity when the call is done?
...ends PhoneStateListener {
@Override
public void onCallStateChanged(int state, String incomingNumber) {
if(TelephonyManager.CALL_STATE_RINGING == state) {
Log.i(LOG_TAG, "RINGING, number: " + incomingNumber);
}
if(TelephonyManager.CALL_STATE_OFFHOOK == stat...
Pragma in define macro
...E_DELETE_OBJECT(type) \
void delete_ ## type ## _(int handle); \
void delete_ ## type(int handle); \
_Pragma( STRINGIFY( weak delete_ ## type ## _ = delete_ ## type) )
DEFINE_DELETE_OBJECT(foo);
when put into gcc -E gives
void de...