大约有 47,000 项符合查询结果（耗时：0.0645秒） [XML]
How does lock work exactly?
...finally
{
Monitor.Exit(temp);
}
In C# 4.0 this has changed and it is now generated as follows:
bool lockWasTaken = false;
var temp = obj;
try
{
Monitor.Enter(temp, ref lockWasTaken);
// body
}
finally
{
if (lockWasTaken)
{
Monitor.Exit(temp);
}
}
You can find mo...
How do you dismiss the keyboard when editing a UITextField
I know that I need to tell my UITextField to resign first responder when I want to dismis the keyboard, but I'm not sure how to know when the user has pressed the "Done" key on the keyboard. Is there a notification I can watch for?
...
What is the easiest way to get the current day of the week in Android?
... (for today):
Sat
Saturday
UPDATE: java8
LocalDate date = LocalDate.now();
DayOfWeek dow = date.getDayOfWeek();
System.out.println("Enum = " + dow);
String dayName = dow.getDisplayName(TextStyle.FULL, Locale.ENGLISH);
System.out.println("FULL = " + dayName);
dayName = dow.getDisplayName(Tex...
Is it possible to use JS to open an HTML select to show its option list? [duplicate]
...
Unfortunately, it is now deprecated on Chrome 53+
– Washington Guedes
Sep 27 '16 at 19:58
...
Dependency injection through constructors or property setters?
...
Of course, there are a few subclasses plus even more for unit tests, so now I am playing the game of going around altering all the constructors to match, and it's taking ages.
It makes me think that using properties with setters is a better way of getting dependencies. I don't think injected de...
What is Bit Masking?
...ou could first do the mask, then the shift. The results are the same, but now you would have to use a different mask:
uint32_t byte3 = (value & 0xff00) >> 8;
share
|
improve this answer...
rails + MySQL on OSX: Library not loaded: libmysqlclient.18.dylib
.../libmysqlclient.18.dylib: Operation not permitted" - Everything is working now and I can finally start my work for the day...Thanks!
– Colin Adams
Jul 25 '16 at 16:36
...
Why can't I overload constructors in PHP?
...being able to overload my constructors in PHP, so what I'd really like to know is why .
14 Answers
...
Compare integer in bash, unary operator expected
...ces! The shell will replace $i as follows:
if [ -ge 2 ] ; then ...
Now that variable substitutions are done, the shell proceeds with the comparison and.... fails because it cannot see anything intelligible to the left of -gt. However, quoting $i:
if [ "$i" -ge 2 ] ; then ...
becomes:
if...
Pushing app to heroku problem
...
that worked...but now it is giving me this message: $ git push heroku master Counting objects: 1652, done. Delta compression using up to 4 threads. fatal: object 91f5d3ee9e2edcd42e961ed2eb254d5181cbc734 inconsistent object lengt h (476 vs 898...