大约有 30,000 项符合查询结果（耗时：0.0455秒） [XML]
while (1) Vs. for (;;) Is there a speed difference?
...rintf("foo\n");
}
.file "test.c"
.section .rodata
.LC0:
.string "foo"
.text
.globl t_while
.type t_while, @function
t_while:
.LFB2:
pushq %rbp
.LCFI0:
movq %rsp, %rbp
.LCFI1:
.L2:
movl $.LC0, %edi
call puts
jmp .L2
.LFE2:
.size t_while...
How do I declare a global variable in VBA?
...tm As Outlook.MailItem)
Dim objAtt As Outlook.Attachment
Dim saveFolder As String
Dim FileName As String
saveFolder = "c:\temp\"
For Each objAtt In itm.Attachments
FileName = objAtt.DisplayName & "_" & Numerator & "_" & Format(Now, "yyyy-mm-dd H-mm-ss") & ".CSV...
How to redirect 'print' output to a file using python?
...sys.stdout, flush=False)
The file argument must be an object with a write(string) method; if it is not present or None, sys.stdout will be used. Since printed arguments are converted to text strings, print() cannot be used with binary mode file objects. For these, use file.write(...) instead.
Sin...
java.sql.SQLException: - ORA-01000: maximum open cursors exceeded
... while ( rs.next() ) {
System.out.println( "Name: " + rs.getString("FULL_NAME") );
}
} finally {
try { rs.close(); } catch (Exception ignore) { }
}
} finally {
try { stmt.close(); } catch (Exception ignore) { }
}
Note how the finally clause ignores any ex...
Is R's apply family more than syntactic sugar?
...
The apply functions in R don't provide improved performance over other looping functions (e.g. for). One exception to this is lapply which can be a little faster because it does more work in C code than in R (see this question for an example of this).
But ...
What is the cleanest way to get the progress of JQuery ajax request?
...the backend to generate some data, and return it back. How can the client side possibly know what is being done in the backend and how much time it will take that it can calculate the progress?
– SexyBeast
Apr 30 '17 at 21:11
...
trying to animate a constraint in swift
I have a UITextField that I want to enlarge its width when tapped on. I set up the constraints and made sure the constraint on the left has the lower priority then the one that I am trying to animate on the right side.
...
Usage of protocols as array types and function parameters in swift
...nd addElement() will return "false".
protocol SomeProtocol {
var name:String? {get set} // Since elements need to distinguished,
//we will assume it is by name in this example.
func bla()
}
class SomeClass {
//var protocols = [SomeProtocol]() //find is not supported in 2.0, index...
How to close a Java Swing application from the code
...super("Close Me!");
addStuff();
}
public static void main(String[] args) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
CloseExample cTW = new CloseExample();
cTW.setSize(200, 100);
cTW.setLo...
Does Android keep the .apk files? if so where?
...ode out:
public class Testing extends Activity {
private static final String TAG = "TEST";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
File appsDir = new File("/data/app");
...