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Explicitly calling return in a function or not
...e.
# here without calling .Primitive('return')
> (function() {10;20;30;40})()
[1] 40
# here with .Primitive('return')
> (function() {10;20;30;40;return(40)})()
[1] 40
# here return terminates flow
> (function() {10;20;return();30;40})()
NULL
> (function() {10;20;return(25);30;40})()
[1]...
Using awk to remove the Byte-order mark
...$ for f in *;do printf '%11s %s\n' $f $(xxd -p $f);done
bom-utf16be feff00e4000a
bom-utf16le fffee4000a00
bom-utf8 efbbbfc3a40a
utf16be 00e4000a
utf16le e4000a00
utf8 c3a40a
$ dos2unix -q *
$ for f in *;do printf '%11s %s\n' $f $(xxd -p $f);done
bom-utf16be c3a40a
bom-utf16le c3a40...
What's the meaning of * (asterisk) in XAML ColumnDefinition?
...re the width of the grid is 354 and the proportions of the two columns are 40 and 314 you get the following column widths:
First column width = 40/(40 + 314)*354 = 40
Second coulmn width = 314/(40 + 314)*354 = 314
The star width is best used when the width of the grid isn't fixed. When the grid ...
Web scraping with Python [closed]
...08
Sunrise: 08:39, Sunset: 16:09
Sunrise: 08:39, Sunset: 16:10
Sunrise: 08:40, Sunset: 16:10
Sunrise: 08:40, Sunset: 16:11
Sunrise: 08:40, Sunset: 16:12
Sunrise: 08:40, Sunset: 16:13
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improv...
最新版AI伴侣测试历程 - HarmonyOS NEXT - 清泛IT社区，为创新赋能！
...:37:39 PM] I/[YAIL] Unknown YAIL function: get-property-and-check
[6:37:40 PM] I/[YAIL] begin: 2 个子表达式
[6:37:40 PM] I/[YAIL] begin[1]: (set-and-coerce-property!) len=5
[6:37:40 PM] I/[YAIL] begin[2]: () len=1
[6:37:40 PM] I/[YAIL] Unknown YAIL function: get-property-and-c...
std::string to float or double
... streaming.
– TimW
Jun 18 '09 at 13:40
1
You can't generally say they come with a performance pen...
Received fatal alert: handshake_failure through SSLHandshakeException
...SA_WITH_DES_CBC_SHA, SSL_DHE_DSS_WITH_DES_CBC_SHA, SSL_RSA_EXPORT_WITH_RC4_40_MD5, SSL_RSA_EXPORT_WITH_DES40_CBC_SHA, SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA, SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA]
Compression Methods: { 0 }
***
Note the cipher suites used. This might have to agree with the entry i...
Java lib or app to convert CSV to XML file? [closed]
...-array>
<string>float1</string>
<string>1.40</string>
</string-array>
<string-array>
<string>float2</string>
<string>34.83</string>
</string-array>
<string-array>
<string>in...
为什么你得学些 TCP 的知识？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...Slack 上提到：“嘿，我在向 NSQ 发布消息时，每次要耗费 40 毫秒”。我已经断断续续思考了一个星期，但是没有任何结果。
一点背景知识：NSQ 是一个消息队列，你通过本地的一个 HTTP 请求向其发布消息。发送本地的一个 HTTP 请...
为什么你得学些 TCP 的知识？ - 环境配置 - 清泛IT社区，为创新赋能！
...Slack 上提到：“嘿，我在向 NSQ 发布消息时，每次要耗费 40 毫秒”。我已经断断续续思考了一个星期，但是没有任何结果。
一点背景知识：NSQ 是一个消息队列，你通过本地的一个 HTTP 请求向其发布消息。发送本地的一个 HTTP 请...