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Version vs build in Xcode
...ps if you want to write your version/build numbers to your Settings.bundle/Root*.plist file(s).
This is extended from the how-to article here.
In Xcode 4.2 - 5.0:
Load your Xcode project.
In the left hand pane, click on your project at the very top of the hierarchy. This will load the project se...
How to split a comma-separated value to columns
... @S = 'ab,cd,ef,gh,ij',
@Split = ','
SELECT @X = CONVERT(xml,' <root> <myvalue>' +
REPLACE(@S,@Split,'</myvalue> <myvalue>') + '</myvalue> </root> ')
SELECT T.c.value('.','varchar(20)'), --retrieve ALL values at once
T.c.value('(/root/my...
Postgres and Indexes on Foreign Keys and Primary Keys
..., *, 1 as issue_sort
FROM fk_index_match
WHERE indexid IS NULL
UNION ALL
SELECT 'questionable index' as issue, *, 2
FROM fk_index_match
WHERE indexid IS NOT NULL
AND fkoid NOT IN (
SELECT fkoid
FROM fk_perfect_match)
),
parent_table_stats AS (
...
What is “android:allowBackup”?
...y don't even know what is adb , and if they do , they probably know how to root their device and get the data by themselves anyway , no ?
– android developer
Dec 10 '12 at 19:36
1
...
Correct file permissions for WordPress [closed]
...wned by the user account used
by the web server process.
/
The root WordPress directory: all files should be writable only by your user account, except .htaccess if you want WordPress to
automatically generate rewrite rules for you.
/wp-admin/
The WordPress administration are...
Make .git directory web inaccessible
...
Put this in an .htaccess file at the root of your web server:
RedirectMatch 404 /\.git
This solution is robust and secure: it
works for all .git directories in your site, even if there are more than one,
also hides other Git files like .gitignore and .gitmo...
JPA eager fetch does not join
...be fetched in any one of the ways given below
SELECT => one query for root entities + one query for related mapped entity/collection of each root entity = (n+1) queries
SUBSELECT => one query for root entities + second query for related mapped entity/collection of all root entities retrieved...
Linux 进程卡住了怎么办？ - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...ffffffff>] 0xffffffffffffffff
这时候按 Ctrl+C 也不能退出。
root@localhost:~# ls /jfs
^C
^C^C^C^C^C
但是用 strace 却能唤醒它，并且开始处理之前的中断信号，然后就退出了。
root@localhost:~# strace -p `pgrep ls`
strace: Process 26469 attached
--- SI...
八成企业活不过18个月 怎样避免“初创死”？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...是失败的高峰期。而创业初期到底会有怎样的困难，又该如何应对呢？
在线婚恋平台Sparkology的创始人Alex Furmansky，同时也给很多创新企业提供指导。他和我聊天时，谈到创业周期的问题。他觉得创业都是一开始很顺利，然后3-4...
HTTPKeepAlive，开启还是关闭 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...it is active – (reading + writing)
实际复用HTTP连接的效果如何呢：
67713042963 / 66542336512 = 1.01 requests per connection
额滴神啊，基本等同于没用！为什么会这样？因为这是一台WebService服务器，客户端只是偶尔访问一次，此时的KeepAl...