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How to hide first section header in UITableView (grouped style)
... Apr 18 '18 at 15:24
Linus Unnebäck
14k99 gold badges5959 silver badges7575 bronze badges
answered Sep 27 '13 at 19:41
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How can I validate a string to only allow alphanumeric characters in it?
...typically is A-Z, a-z and 0-9). This answer allows local characters like åäö.
Update 2018-01-29
The syntax above only works when you use a single method that has a single argument of the correct type (in this case char).
To use multiple conditions, you need to write like this:
if (yourText.Al...
Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...Syv服务/etc/rc.d/init.d/postfix脚本
脚本朋友们可以从附件中下载
4、对postfix进行基本配置，测试启动发信
编辑/etc/postfix/main.cf
myhostname = mail.huatuo.com #指定运行postfix邮件系统的主机的主机名
myorigin = huatuo.com #指明发...
Make an existing Git branch track a remote branch?
...our upstream is called origin and not upstream.
– umläute
Aug 11 '15 at 14:21
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How do you clone an Array of Objects in Javascript?
...es the array, not each object in the array.
– Toivo Säwén
Jul 18 '17 at 8:52
Save Screen (program) output to a file
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@qräbnö : Nice catch! All this time and I didn't notice it. I updated the answer accordingly.
– lepe
Jan 25 '19 at 3:56
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Why can't I make a vector of references?
...emantics, this library is not what you need."
– Matthäus Brandl
Mar 6 '15 at 14:03
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How do I auto size a UIScrollView to fit its content
... this! That should be the accepted answer.
– SePröbläm
Mar 26 '16 at 14:52
3
This doesn't work ...
Android emulator shows nothing except black screen and adb devices shows “device offline”
... for me on Ubuntu 12.04 and android sdk 19
– Johan Bjäreholt
Mar 20 '14 at 18:31
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Android 4.0.3...
BLE协议—广播和扫描 - 创客硬件开发 - 清泛IT社区，为创新赋能！
.../EDR
广播响应包数据格式与广播数据格式一样，可以用于拓展广播数据大小，数据最大同样为31字节。
通常动态数据使用常规广播包发送，固定数据则使用响应包进行发送。广播间隔BLE设备每次广播时，会在3个广播信道（37/38/3...