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创业测试：50个迹象表明你真该创业了 - 资讯 - 清泛网 - 专注C/C++及内核技术
...败的话，就开始工作吧。你或许需要打消购买心仪笔记本电脑或是智能手机的计划。
42.你悟出自己希望看到结果。当为别人工作时，你很难了解到你所有的辛勤工作是怎样为公司带来利润的。如果你想要看到自己动作过后的直...
CSS center text (horizontally and vertically) inside a div block
... has at least partial support in IE 10 and 11, and works for 97% of users according to caniuse. I don't think browser support is an argument against it anymore.
– Félix Gagnon-Grenier
Sep 12 '19 at 11:28
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CSS hexadecimal RGBA?
... represent a fully opaque color.
Example 3In other words, #0000ffcc represents the same color as rgba(0, 0, 100%, 80%) (a slightly-transparent blue).
4 digits
This is a shorter variant of the 8-digit notation, "expanded" in the same way as the 3-digit notation is. The first di...
Positioning a div near bottom side of another div
... illustration */
#outer { width: 300px; height: 200px; background: #f2f2cc; border: 1px solid #c0c0c0; }
#inner { width: 50px; height: 40px; background: #ff0080; border: 1px solid #800000; }
/* positioning the boxes correctly */
#outer { position: relative; }
#wrapper { position: abs...
hash function for string
...quite a few processors have started to include either special hardware to accelerate SHA computation, which has made it much more competitive. That said, I doubt your code is quite as safe as you think--for example, IEEE floating point numbers have two different bit patterns (0 and -0) that should p...
std::unique_lock or std::lock_guard?
...
Sebastian RedlSebastian Redl
58.6k77 gold badges9898 silver badges135135 bronze badges
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Why is a round-trip conversion via a string not safe for a double?
...x8637bd05af6c69b7),
/*7*/ I64(0xd6bf94d5e57a42be),
/*8*/ I64(0xabcc77118461ceff),
/*9*/ I64(0x89705f4136b4a599),
/*10*/ I64(0xdbe6fecebdedd5c2),
/*11*/ I64(0xafebff0bcb24ab02),
/*12*/ I64(0x8cbccc096f5088cf),
/*13*/ I64(0xe12e13424bb40e18),
/*14*/ I64(0xb424dc35095cd8...
Set TextView text from html-formatted string resource in XML
...
String termsOfCondition="<font color=#cc0029>Terms of Use </font>";
String commma="<font color=#000000>, </font>";
String privacyPolicy="<font color=#cc0029>Privacy Policy </font>";
Spanned text=Html.fromHtml("I am of legal ...
How to tell where a header file is included from?
... will give make dependencies which list absolute paths of include files:
gcc -M showtime.c
If you don't want the system includes (i.e. #include <something.h>) then use:
gcc -MM showtime.c
share
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...
argparse store false if unspecified
...e command-line argument is not present.
The source for this behavior is succinct and clear: http://hg.python.org/cpython/file/2.7/Lib/argparse.py#l861
The argparse docs aren't clear on the subject, so I'll update them now: http://hg.python.org/cpython/rev/49677cc6d83a
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