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Why does the 260 character path length limit exist in Windows?
...ealize that the system tracked the current path per drive, and we have 26 (32 with symbols) maximum drives (and current directories).
The INT 0x21 AH=0x47 says “This function returns the path description without the drive letter and the initial backslash.” So we see that the system stores the C...
How can I create a UIColor from a hex string?
...
132
This is great except it doesn't do what the questioner asks, which is to convert a hex STRING into a UIColor. This converts an integer to a...
Value of type 'T' cannot be converted to
...
– Fernando Gómez
May 30 '19 at 23:32
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show 2 more comme...
Why is early return slower than else?
...984281521812363]
>>> T(lambda : with_else()).repeat()
[0.36009842032996175, 0.28962249392031936, 0.2927151355828528]
>>> T(lambda : without_else(True)).repeat()
[0.31709728471076915, 0.3172671387005721, 0.3285821242644147]
>>> T(lambda : with_else(True)).repeat()
[0.309398...
Getting name of windows computer running python script?
...hon scrips are for sure running on a windows system, you should use the Win32 API GetComputerName or GetComputerNameEx
You can get the fully qualified DNS name, or NETBIOS name, or a variety of different things.
import win32api
win32api.GetComputerName()
>>'MYNAME'
Or:
import win32api
WI...
What is the tilde (~) in the enum definition?
...op Vaidya
45.1k1313 gold badges103103 silver badges132132 bronze badges
answered Dec 22 '08 at 21:38
JimmyJimmy
77.8k1616 gold bad...
内存优化总结:ptmalloc、tcmalloc和jemalloc - 操作系统(内核) - 清泛网 - ...
...内存容易造成内存碎片，不利于回收。 64位系统最好分配32M以上内存，这是使用mmap的阈值。
tcmalloc
tcmalloc是Google开源的一个内存管理库， 作为glibc malloc的替代品。目前已经在chrome、safari等知名软件中运用。
根据官方测试报...
What is a Windows Handle?
...uld also just be a simple integer (which could possibly be used by some Win32 API as an index into an array).
HANDLEs are intentionally opaque representations that provide encapsulation and abstraction from internal Win32 resources. This way, the Win32 APIs could potentially change the underlying t...
What is the difference between tinyint, smallint, mediumint, bigint and int in MySQL?
...8 to 127 0 to 255
smallint | 2 bytes -32768 to 32767 0 to 65535
mediumint | 3 bytes -8388608 to 8388607 0 to 16777215
int/integer | 4 bytes -2147483648 to 2147483647 0 to 4294967295
bigi...
What's the difference between a word and byte?
...he register size). The most common word sizes encountered today are 8, 16, 32 and 64 bits, but other sizes are possible. For examples, there were a few 36 bit machines, or even 12 bit machines.
The byte is the smallest addressable unit for a CPU. If you want to set/clear single bits, you first need...