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Git Extensions: Win32 error 487: Couldn't reserve space for cygwin's heap, Win32 error 0
...
232
Cygwin uses persistent shared memory sections, which can on occasion become corrupted. The symp...
iPhone Data Usage Tracking/Monitoring
...)
{
struct ifaddrs *addrs;
const struct ifaddrs *cursor;
u_int32_t WiFiSent = 0;
u_int32_t WiFiReceived = 0;
u_int32_t WWANSent = 0;
u_int32_t WWANReceived = 0;
if (getifaddrs(&addrs) == 0)
{
cursor = addrs;
while (cursor != NULL)
{
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Best implementation for hashCode method for a collection
...late (int)f;
If the field f is a long: calculate (int)(f ^ (f >>> 32));
If the field f is a float: calculate Float.floatToIntBits(f);
If the field f is a double: calculate Double.doubleToLongBits(f) and handle the return value like every long value;
If the field f is an object: Use the resu...
Suppress Scientific Notation in Numpy When Creating Array From Nested List
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answered Jun 1 '12 at 16:46
wiswitwiswit
4,04766 gold badges...
Converting a double to an int in C#
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Because Convert.ToInt32 rounds:
Return Value: rounded to the nearest 32-bit signed integer. If value
is halfway between two whole numbers, the even number is returned;
that is, 4.5 is converted to 4, and 5.5 is converted to 6.
...while ...
如何查看Android应用.apk是32位还是64位？ - App应用开发 - 清泛IT社区，为创新赋能！
...的架构。例如，arm64-v8a表示64位ARM架构，而armeabi-v7a表示32位ARM架构。
3）使用命令行工具：如果你喜欢使用命令行，可以使用如aapt这类工具来查看APK文件的信息，包括其支持的架构。
aapt dump badging your_app.apk | grep native-code
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What integer hash function are good that accepts an integer hash key?
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Knuth's multiplicative method:
hash(i)=i*2654435761 mod 2^32
In general, you should pick a multiplier that is in the order of your hash size (2^32 in the example) and has no common factors with it. This way the hash function covers all your hash space uniformly.
Edit: The biggest...
Can't start Eclipse - Java was started but returned exit code=13
...f OS, JDK and Eclipse bitness. In my case, I was using a 64-bit JDK with a 32-bit Eclipse on a 64-bit OS. After downgrading the JDK to 32-bit, Eclipse started working.
Use one of the following combinations.
32-bit OS, 32-bit JDK, 32-bit Eclipse (32-bit only)
64-bit OS, 32-bit JDK, 32-bit Eclipse
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NSLog/printf specifier for NSInteger?
A NSInteger is 32 bits on 32-bit platforms, and 64 bits on 64-bit platforms. Is there a NSLog specifier that always matches the size of NSInteger ?
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Why in C++ do we use DWORD rather than unsigned int? [duplicate]
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@Milhous: According to the documentation, it is 32 bits: msdn.microsoft.com/en-us/library/cc230318.aspx.
– GManNickG
Sep 9 '14 at 15:13
add a commen...