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How to change line-ending settings
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If you want to convert back the file formats which have been changed to UNIX Format from PC format.
(1)You need to reinstall tortoise GIT and in the "Line Ending Conversion" Section make sure that you have selected "Check out as is - Check in as is"option.
(2)and keep the remaining configuratio...
App Inventor 2 App上架国内应用市场完整指南 · App Inventor 2 中文网
...短信功能，没有添加短信组件，无相关权限
在国际权威分析工具 VirusTotal 上全通过（包括腾讯自己的检测）
MIT 官方社区已确认这是 App Inventor 源码层面的问题，需要向腾讯申诉误报
解决方案：fun123.cn 从源码层面彻底解决...
Javascript Cookie with no expiration date
...lue. Be aware that some browsers have problems with dates past 2038 (when unix epoch time exceeds a 32-bit int).
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What is the difference between NULL, '\0' and 0?
...S X is known as "LP64". This is the common data model used by other 64-bit UNIX systems from Sun and SGI as well as 64-bit Linux. The LP64 data model defines the primitive types as follows:
ints are 32-bit
longs are 64-bit
long-longs are also 64-bit
pointers are 64-bit
Wikipedia 6...
Why 0 is true but false is 1 in the shell?
...har is not at least 8-bit long (7-bit ASCII char machines are supported by UNIX), while (int)((char)0) is 0 independent of the architectural details of char.
Once it is determined that 0 will be the return value for success, then it makes sense to use any non-zero value for failure. This allows ma...
How to select records from last 24 hours using SQL?
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If the timestamp considered is a UNIX timestamp
You need to first convert UNIX timestamp (e.g 1462567865) to mysql timestamp or data
SELECT * FROM `orders` WHERE FROM_UNIXTIME(order_ts) > DATE_SUB(CURDATE(), INTERVAL 1 DAY)
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How do I access my SSH public key?
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@sscirrus: accept this one ... it works as well (under unix or cygwin)
– Peter Štibraný
Sep 30 '10 at 6:23
33
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C++ Lock-free Hazard Pointer（冒险指针） - C/C++ - 清泛网 - 专注C/C++及内核技术
...的场景。其论文可参考文献 1，标准草案可参考文献 2，代码实现可参考 Folly 中的 HazPtr。
2. Hazard Pointer
首先回忆下引用计数的做法：
#include <atomic>
#include <memory>
template <class T>
class ReferenceCount {
public:
ReferenceCount(std::uni...
Converting between datetime, Timestamp and datetime64
... units. See all units here. It gets converted to that many units after the UNIX epoch: Jan 1, 1970
>>> np.datetime64(5, 'ns')
numpy.datetime64('1970-01-01T00:00:00.000000005')
>>> np.datetime64(1508887504, 's')
numpy.datetime64('2017-10-24T23:25:04')
You can also use strings a...
Build a simple HTTP server in C [closed]
...In particular, it's embeddable and compiles under Windows, Windows CE, and UNIX.
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