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Awk学习笔记 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...地日期和时间
%d
十进制日期
%D
日期 08/20/99
%e
日期，如果只有一位会补上一个空格
%H
用十进制表示24小时格式的小时
%I
用十进制表示12小时格式的小时
%j
从1月1日起一年中的第几天
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What is “:-!!” in C code?
...eld of 0 width, but not if there no other named member in the structure. (C99, 6.7.2.1p2) "If the struct-declaration-list contains no named members, the behavior is undefined." So for example sizeof (struct {int a:1; int:0;}) is strictly conforming but sizeof(struct { int:0; }) is not (undefined beh...
What is the “__v” field in Mongoose
...he outcome is no __V field in the scheme: { "_id": { "$oid": "5aa62e99f36d28237f1a41ad" }, "email": "scott@gmail.com", "sessions": 0 } vs { "_id":{ "$oid": "5aa62e99f36d28237f1a41ad" }, "email": "scott@gmail.com", "sessions": 0, "__v": 0 }
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How to redirect to a 404 in Rails?
...ise_error(ActionController::RoutingError) /via stackoverflow.com/a/1722839/993890
– ryanttb
Nov 5 '13 at 19:55
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In Git, how can I write the current commit hash to a file in the same commit
...mmit, store the previous commit hash :) You don't modify/insert commits in 99.99% cases, so, this WILL work. In the worst case you still can identify the source revision.
I'm working on a hook script, will post it here 'when it's done', but still — earlier than Duke Nukem Forever is released :))...
How to configure 'git log' to show 'commit date'
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twalbergtwalberg
50k99 gold badges7777 silver badges7676 bronze badges
add a comm...
Detect blocked popup in Chrome
... AndyAndy
2,02511 gold badge1616 silver badges99 bronze badges
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How to know what the 'errno' means?
... not supported by protocol
98 EADDRINUSE Address already in use
99 EADDRNOTAVAIL Cannot assign requested address
100 ENETDOWN Network is down
101 ENETUNREACH Network is unreachable
102 ENETRESET Network dropped connection on reset
103 ECONNABORTED ...
How to make a great R reproducible example
...n is from the top rows
7 B 940 928 No
98 Y 371 171 Yes
99 Y 733 364 Yes <~~~ 30 % of selection is from the bottom rows.
100 Y 546 641 No
==X==============================================================X==
Copy+Paste this part. (If on a Mac, ...
How can I use getSystemService in a non-activity class (LocationManager)?
...nswered Jun 1 at 3:36
auspicious99auspicious99
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