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Should I use px or rem value units in my CSS? [closed]
... visually impaired. One such consideration (but not the only one!) is allowing users to make the text of your site bigger, so that it's easier to read.
In the beginning, the only way to provide users a way to scale text size was by using relative size units (such as ems). This is because the brow...
How would Git handle a SHA-1 collision on a blob?
...ally just reduced the hash size from 160-bit to 4-bit by applying the following diff and rebuilding git:
--- git-2.7.0~rc0+next.20151210.orig/block-sha1/sha1.c
+++ git-2.7.0~rc0+next.20151210/block-sha1/sha1.c
@@ -246,6 +246,8 @@ void blk_SHA1_Final(unsigned char hashou
blk_SHA1_Update(ctx, pad...
CGRidCtrl控件 学习心得 - C/C++ - 清泛网 - 专注C/C++及内核技术
... nRow:指定行
nCol:指定列
lf :字体格式。LOGFONT是Windows内部字体的逻辑结构，主要用于设置字体格。详见LOGFONT结构体定义。
结果返回 ：如果成功，返回TRUE； 否则返回FALSE
2.4.2.8 SetItemFgColour
函数原型：BOOL SetItemFgC...
正则表达式 30 分钟入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...正则表达式就是记录文本规则的代码。
很可能你使用过Windows/Dos下用于文件查找的通配符(wildcard)，也就是*和?。如果你想查找某个目录下的所有的Word文档的话，你会搜索*.doc。在这里，*会被解释成任意的字符串。和通配符类似...
Memcached vs. Redis? [closed]
...ata, but only one is capable of reclaiming it.
Disk I/O dumping: A clear win for redis since it does this by default and has very configurable persistence. Memcached has no mechanisms for dumping to disk without 3rd party tools.
Scaling: Both give you tons of headroom before you need more than a s...
Perforce for Git users? [closed]
...o be updated. With large amounts of data this can be a sizable performance win. This is also very popular in industries that have very strict auditing rules; Perforce admins can easily track and log which developers have synced which files.
For more information on the full power of Perforce workspa...
How to determine CPU and memory consumption from inside a process?
I once had the task of determining the following performance parameters from inside a running application:
9 Answers
...
NOT using repository pattern, use the ORM as is (EF)
...search against database. Everything looks great in theory, but user's need wins above theory.
Again: An entity with 20+ fields is incorrectly modeled. It's a GOD entity. Break it down.
I'm not arguing that IQueryable wasn't made for quering. I'm saying that it's not right for an abstraction lay...
The case against checked exceptions
... number of years now I have been unable to get a decent answer to the following question: why are some developers so against checked exceptions? I have had numerous conversations, read things on blogs, read what Bruce Eckel had to say (the first person I saw speak out against them).
...
REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
... ifconfig
Redhat 初步安装完成。
1.2辅助工具
切换到windows 下准备号SSH工具我的是SecureCRT
输入正确的密码后，链接到服务器。
检查下内存 管方要求最小1G 推荐2G或者大于2G
Grep MemTotal /proc/meminfo
检查一下磁盘空间
...