大约有 15,000 项符合查询结果(耗时:0.0549秒) [XML]
Difference between two DateTimes C#?
...
TimeSpan span = x.ShiftEndTime.Subtract(x.ShiftStartTime) if (span.TotalHours == 24) {do...}
– abmv
May 10 '09 at 14:20
...
Saving and loading objects and using pickle
...gain:
file.seek(0)
What you usually want to do though, is to use a context manager to open the file and read data from it. This way, the file will be automatically closed after the block finishes executing, which will also help you organize your file operations into meaningful chunks.
Finally, c...
Assembly code vs Machine code vs Object code?
...
Machine code is binary (1's and 0's) code that can be executed directly by the CPU. If you were to open a machine code file in a text editor you would see garbage, including unprintable characters (no, not those unprintable characters ;) ).
Object code is a portion of machine cod...
How to generate a random int in C?
...t r = rand(); // Returns a pseudo-random integer between 0 and RAND_MAX.
Edit: On Linux, you might prefer to use random and srandom.
share
|
improve this answer
|
foll...
Generating CSV file for Excel, how to have a newline inside a value
I need to generate a file for Excel, some of the values in this file contain multiple lines.
19 Answers
...
is it possible to change values of the array when doing foreach in javascript?
example:
10 Answers
10
...
Python Matplotlib figure title overlaps axes label when using twiny
...title, y=1.08)
This also works for plt.suptitle(), but not (yet) for plt.xlabel(), etc.
share
|
improve this answer
|
follow
|
...
iOS 7 - How to display a date picker in place in a table view?
...As a delegate to this table, the sample uses the method "didSelectRowAtIndexPath" to open the UIDatePicker control.
For iOS 6.x and earlier, UIViewAnimation is used for sliding the UIDatePicker up on-screen and down off-screen. For iOS 7.x, the UIDatePicker is added in-line to the table view.
...
Comparing two byte arrays in .NET
..., 2, 3};
var a2 = new int[] { 1, 2, 3};
var a3 = new int[] { 1, 2, 4};
var x = a1.SequenceEqual(a2); // true
var y = a1.SequenceEqual(a3); // false
If you can't use .NET 3.5 for some reason, your method is OK.
Compiler\run-time environment will optimize your loop so you don't need to worry about p...
