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Why does the C preprocessor interpret the word “linux” as the constant “1”?
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ricirici
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What is the JavaScript >>> operator and how do you use it?
...on-Numbers to Number, it converts them to Numbers that can be expressed as 32-bit unsigned ints.
Although JavaScript's Numbers are double-precision floats(*), the bitwise operators (<<, >>, &, | and ~) are defined in terms of operations on 32-bit integers. Doing a bitwise operation ...
Unexpected results when working with very big integers on interpreted languages
... which supports arbitrary precision. It will produce the correct answer on 32 or 64 bit platforms.
This can be seen by raising 2 to a power far greater than the bit width of the platform:
>>> 2**99
633825300114114700748351602688L
You can demonstrate (with Python) that the erroneous val...
Which one will execute faster, if (flag==0) or if (0==flag)?
...1;
}
int yoda(int c) {
if (0 == c) { return 0; }
return 1;
}
define i32 @regular(i32 %c) nounwind readnone {
entry:
%not. = icmp ne i32 %c, 0 ; <i1> [#uses=1]
%.0 = zext i1 %not. to i32 ; <i32> [#uses=1]
ret i32 %.0
}
define i32 @yo...
IIS7 Settings File Locations
...e looking for applicationHost.config, which is located in C:\Windows\System32\inetsrv\config.
Yes, it's an XML file, and yes, editing the file by hand will affect the IIS config after a restart. You can think of IIS Manager as a GUI front-end for editing applicationHost.config and web.config.
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Win32多线程程序设计 PDF(侯捷译,清晰版非扫描) - 文档下载 - 清泛网 - ...
Win32多线程程序设计 PDF(侯捷译,清晰版非扫描)Win32 多线程Win32多线程入门最佳书籍。Win32多线程入门最佳书籍。WinXP,Win7,Win8,Win106M
Win10正式版官方原版ISO镜像下载大全(64位&32位) - 软件下载 - 清泛网 - ...
Win10正式版官方原版ISO镜像下载大全(64位&32位)Win10 官方原版 正式版【64位简体中文家庭 专业版】 文件名:cn_windows_10_multiple_editions_x64_dvd_6848463.iso 体积:4.01GB SHA1:C71D49A6...【64位简体中文家庭/专业版】
文件名:cn_wi...
Rank function in MySQL
... person VALUES (3, 'Jack', 30, 'M');
INSERT INTO person VALUES (4, 'Bill', 32, 'M');
INSERT INTO person VALUES (5, 'Nick', 22, 'M');
INSERT INTO person VALUES (6, 'Kathy', 18, 'F');
INSERT INTO person VALUES (7, 'Steve', 36, 'M');
INSERT INTO person VALUES (8, 'Anne', 25, 'F');
Result:
+---------...
How should I print types like off_t and size_t?
...e are macros you can use, like another answer said:
printf("value: %" PRId32, some_int32_t);
printf("value: %" PRIu16, some_uint16_t);
They are listed in the manpage of inttypes.h.
Personally, I would just cast the values to unsigned long or long like another answer recommends. If you use C99, ...
Performance surprise with “as” and nullable types
...he only differenc in IL I can see is that
isinst [mscorlib]System.Int32
gets changed to
isinst valuetype [mscorlib]System.Nullable`1<int32>
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