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INT 10H 中断介绍 - C/C++ - 清泛网 - 专注C/C++及内核技术
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How to group time by hour or by 10 minutes
...hour, workingPolicy.workingHours)/2.0 gives 1.5 while datepart(hour, '1900-01-01 09:00:30.000')/2.0 gives 4.5 , i don't understand why? Note:workingPolicy.workingHours=1900-01-01 09:00:30.000. please help
– affanBajwa
Dec 29 '18 at 7:58
...
How to round float numbers in javascript?
...ath.round(1.005*100)/100 for example from MDN
– tybro0103
May 3 '16 at 17:54
7
@tybro0103 Floatin...
What is the best data type to use for money in C#?
...errors because floating point cannot represent all numbers exactly (e.g. 0.01 has no exact representation in floating point). Decimal, on the other hand, does represent numbers exactly. (The trade-off is Decimal has a smaller range than floating point) Floating point can give you * inadvertent* roun...
How do you know what to test when writing unit tests? [closed]
...lt;InvoiceDiaryHeader>();
list.Add(CreateSales("119", true, 1, "01-09-2008"));
bankHeader = CreateMultiplePayments(list, 1, 119.00M, 0);
bankHeader.Save();
Assert.AreEqual(1, bankHeader.BankCashDetails.Count);
Assert.AreEqual(1, bankHeader.BankCashDetails[...
JavaScript: Create and save file [duplicate]
...
A very minor improvement of the code by Awesomeness01 (no need for anchor tag) with addition as suggested by trueimage (support for IE):
// Function to download data to a file
function download(data, filename, type) {
var file = new Blob([data], {type: type});
if (wi...
How to click or tap on a TextView text
...setContentView(R.layout.main);
t = (TextView)findViewById(R.id.TextView01);
t.setOnClickListener(this);
}
public void onClick(View arg0) {
t.setText("My text on click");
}
}
and my main.xml is:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://...
How to append rows to an R data frame
...7 1045.972666 1055.25931 1112.769176 5
# f3(1000) 149.417636 150.529011 150.827393 151.02230 160.637845 5
# f4(1000) 7.872647 7.892395 7.901151 7.95077 8.049581 5
f1() (the approach below) is incredibly inefficient because of how often it calls data.frame and beca...
How to convert java.sql.timestamp to LocalDate (java8) java.time?
...number of upvotes for it. See my answer for details stackoverflow.com/a/57101544/2032701
– Ruslan
Jul 18 '19 at 19:40
...
How to use Git Revert
...even more clear, with a log like this:
# git log --oneline
cb76ee4 wrong
01b56c6 test
2e407ce first commit
Using git revert cb76ee4 will by default bring your files back to 01b56c6 and will add a further commit to your history:
8d4406b Revert "wrong"
cb76ee4 wrong
01b56c6 test
2e407ce first com...