大约有 7,000 项符合查询结果(耗时:0.0148秒) [XML]
Can a CSV file have a comment?
... I have more often seen and used: #Csv/Version 1.9 Time,ValueA,ValueB 0.0, 123, 456 0.1, 123, 349
– Crog
Aug 25 at 8:31
add a comment
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Liquibase lock - reasons?
...he liquibase-scripts the lock was held.
<changeSet author="user" id="123">
<preConditions onFail="CONTINUE">
<not><sequenceExists sequenceName="SEQUENCE_NAME_SEQ" /></not>
</preConditions>
<createSequence sequenceName="SEQUENCE_NAME_SEQ"/&g...
Passing argument to alias in bash [duplicate]
...ed to use a function
$ foo () { /path/to/bar "$@" fixed args; }
$ foo abc 123
will be executed as if you had done
$ /path/to/bar abc 123 fixed args
To undefine an alias:
unalias foo
To undefine a function:
unset -f foo
To see the type and definition (for each defined alias, keyword, func...
How to check that a string is an int, but not a double, etc.?
... This will do some strange things such as return true for "+123". It is mitigated by that it's meant to return the true int but it still might not be what people want which is a strict int check.
– jgmjgm
Dec 11 '17 at 18:09
...
推荐系统算法初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
推荐系统算法初探最近因为PAC平台自动化的需求,开始探坑推荐系统。这个乍一听去乐趣无穷的课题,对于算法大神们来说是这样的:而对于刚接触这个领域的我来...最近因为PAC平台自动化的需求,开始探坑推荐系统。这个乍一...
程序员之网络安全系列(五):数字证书以及12306的证书问题 - 更多技术 - ...
...器读取证书。
浏览器发现证书机构是Symantec,然后会在操作系统中受信任的发布机构的证书中去找Symantec的证书,如果找不到,那说明证书的发布机构是个假的,或者不是被权威机构认证的,证书可能有问题,程序会给出一个错...
How do I get the width and height of a HTML5 canvas?
...
123
It might be worth looking at a tutorial: Firefox Canvas Tutorial
You can get the width and he...
STL 算法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...传递给函数模板的一种参数格式而已
STL中算法分类:
操作对象
直接改变容器的内容
将原容器的内容复制一份,修改其副本,然后传回该副本
功能:
非可变序列算法 指不直接修改其所操作的容器内容的算法
可变序列算...
Linux下追踪程序退出(崩溃)思路 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
Linux下追踪程序退出(崩溃)思路linux-issue-trackingLinux下追踪程序退出(崩溃)思路;history命令用法;linux下查看所有登录用户的历史操作命令。
Linux下程序退出(崩溃)时总会留下一些蛛丝马迹,问题追踪思路总结如下:
1、查看程序...
Win7以上操作系统清理系统图标缓存脚本 - 脚本技术 - 清泛IT论坛,有思想、有深度
本帖最后由 沧海一粟 于 2015-07-21 13:43 编辑
rem 关闭Windows外壳程序explorer
taskkill /f /im explorer.exe
rem 清理系统图标缓存数据库
attrib -h -s -r "%userprofile%\AppData\Local\IconCache.db"
del /f "%userprofile%\AppData\Local\IconCache.db"
attrib...
