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Can I use the range operator with if statement in Swift?
...nt with an expression pattern (which uses the pattern-match
operator internally):
switch statusCode {
case 200 ... 299:
print("success")
default:
print("failure")
}
Note that ..< denotes a range that omits the upper value, so you probably want
200 ... 299 or 200 ..< 300.
Additional...
No Multiline Lambda in Python: Why not?
...ltiline lambdas can't be added in Python because they would clash syntactically with the other syntax constructs in Python. I was thinking about this on the bus today and realized I couldn't think of a single Python construct that multiline lambdas clash with. Given that I know the language pretty...
How do you crash a JVM?
...ught that you could do so by writing an infinite for-loop that would eventually use up all the memory.
27 Answers
...
How to create an AVD for Android 4.0
...nload the AVD Manager that is external to eclipse and says you have it installed, you have to go into eclipse with the AVD Plugin and re-install it as well. Have to 2 it twice. I ran into this error when going through the setup steps even though I had the ARM EABI installed external from eclipse.
...
Is there a way to delete a line in Visual Studio without cutting it?
...command is omitted when you search in that fashion). The terrible UI only allows me to see 4 results at a time (for me, contrary to that screen shot in the other answer.) which makes it a real pain.
– Kirk Woll
Sep 17 '10 at 1:08
...
Windows x64编程中寄存器的使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
... DWORD dwReadSize;
hFile = CreateFile(szFileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
... ...
}
CreateFile() 的参数有 7 个，那么看看 VC 是怎样安排参数传递：
void EditTextFile(HWND hEdit, LPCTSTR szF...
warning this call is not awaited, execution of the current method continues
...
If you really don't need the result, you can simply change the GetNameAsync's signature to return void:
public static async void GetNameAsync()
{
...
}
Consider to see answer to a related question:
What's the difference between...
How to get the width and height of an android.widget.ImageView?
...eight, finalWidth;
final ImageView iv = (ImageView)findViewById(R.id.scaled_image);
final TextView tv = (TextView)findViewById(R.id.size_label);
ViewTreeObserver vto = iv.getViewTreeObserver();
vto.addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
public boolean onPreDraw() {
...
Windows下 C++网络延时检测 - C/C++ - 清泛网 - 专注C/C++及内核技术
...
#include "Ping.h"
CPing::CPing()
{
bValid = FALSE;
// Dynamically load the ICMP.DLL
hndlIcmp = LoadLibrary("ICMP.DLL");
if (hndlIcmp == NULL)
{
/*cprintf("Error: Could not load ICMP.DLL\n");*/
return;
}
// Retrieve ICMP function pointers
pIcmpCreateFile = (HANDLE (WI...
Python Create unix timestamp five minutes in the future
...
Now in Python >= 3.3 you can just call the timestamp() method to get the timestamp as a float.
import datetime
current_time = datetime.datetime.now(datetime.timezone.utc)
unix_timestamp = current_time.timestamp() # works if Python >= 3.3
unix_timestamp_pl...