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What is the size of ActionBar in pixels?
...ttr.actionBarSize });
mActionBarSize = (int) styledAttributes.getDimension(0, 0);
styledAttributes.recycle();
If you need to understand where this is defined:
The attribute name itself is defined in the platform's /res/values/attrs.xml
The platform's themes.xml picks this attribute and assigns a...
How to add a filter class in Spring Boot?
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answered Jun 5 '15 at 5:09
Haim RamanHaim Raman
9,74055 gold badges3434 silver badges5858 bronze badges
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Play an audio file using jQuery when a button is clicked
...rrentTime. We will use this line in our example audioElement.currentTime = 0;. To achieve .stop() function we first pause the file then reset its time.
We may want to know the length of the audio file and the current playing time. We already learnt .currentTimeabove, to learn its length we use .dur...
了解 Boost Filesystem Library - C/C++ - 清泛网 - 专注C/C++及内核技术
... printf(“Path is a directory : %d\n”, S_ISDIR(s1.st_mode));
return 0;
}
对于 I/O 操作较多的程序，这样的不一致就意味着需要进行大量的工程工作才能在平台间移植代码。正是因为这个原因，我们才引入了 Boost Filesystem Library。这个广...
How expensive is the lock statement?
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Here is an article that goes into the cost. Short answer is 50ns.
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Oracle “Partition By” Keyword
...turn every record in the emp table.)
emp_no dept_no DEPT_COUNT
1 10 3
2 10 3
3 10 3 <- three because there are three "dept_no = 10" records
4 20 2
5 20 2 <- two because there are two "dept_no = 20" records
If there was another co...
Differences between Java 8 Date Time API (java.time) and Joda-Time
...ifferences between the java.time API (new in Java 8 , defined by JSR 310 ) and Joda-Time .
3 Answers
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how do i block or restrict special characters from input fields with jquery?
...ut').on('keypress', function (event) {
var regex = new RegExp("^[a-zA-Z0-9]+$");
var key = String.fromCharCode(!event.charCode ? event.which : event.charCode);
if (!regex.test(key)) {
event.preventDefault();
return false;
}
});
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Select N random elements from a List in C#
...e probability of selection = (number needed)/(number left)
So if you had 40 items, the first would have a 5/40 chance of being selected. If it is, the next has a 4/39 chance, otherwise it has a 5/39 chance. By the time you get to the end you will have your 5 items, and often you'll have all of them...
How to post pictures to instagram using API
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edited Sep 3 '18 at 7:10
answered Sep 17 '13 at 8:22
Alb...