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Can you grab or delete between parentheses in vi/vim?
...ific problem you would do the following:
printf("%3.0f\t%6.1f\n", fahr, ((5.0/9.0) * (fahr-32)));
^
Let's say your cursor is positioned at ^. Enter the following sequence to select the part you are looking for:
v2a)
First v enters Visual mode, then you specif...
图表组件 · App Inventor 2 中文网
... 对于 距离传感器，该值应为距离。
对于 蓝牙客户端，该值表示要从该值中删除的前缀。
例如，如果值的格式为“t:12”，则前缀可以指定为“t:”，然后前缀将从数据中删除。如果是纯数值的话，则不能...
Why do Chrome and IE put “Mozilla 5.0” in the User-Agent they send to the server? [duplicate]
...
User agent string for Microsoft Edge: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.71 Safari/537.36 Edge/12.0 :)
– Igor Jerosimić
Jul 6 '15 at 18:42
...
Changing user agent on urllib2.urlopen
...d to scripts. For example, Mozilla Firefox may identify itself as "Mozilla/5.0 (X11; U; Linux i686) Gecko/20071127 Firefox/2.0.0.11", while urllib2‘s default user agent string is "Python-urllib/2.6" (on Python 2.6).
share...
ValueError: invalid literal for int() with base 10: ''
...at first, then to an integer:
>>> int('5')
5
>>> float('5.0')
5.0
>>> float('5')
5.0
>>> int(5.0)
5
>>> float(5)
5.0
>>> int('5.0')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ValueError: invalid literal ...
开源MQTT网关：EMQX vs Mosquitto - 创客硬件开发 - 清泛IT社区，为创新赋能！
...用 C/C++ 编写，采用单线程架构。Mosquitto 支持 MQTT 协议的 5.0、3.1.1 和 3.1 版本，同时支持 SSL/TLS 和 WebSockets。轻量级设计使其适合部署在嵌入式设备或资源有限的服务器上。优点：易于安装使用支持 MQTT 5.0 协议轻量高效积极的社...
Check if user is using IE
...e:
alert('IEEdge ' + detectIEEdge());
Default string of IE 10:
Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Trident/6.0)
Default string of IE 11:
Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko
Default string of Edge 12:
Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKi...
How to rollback a specific migration?
...nal DDL. MySQL doesn't support Transactional DDL: dev.mysql.com/doc/refman/5.0/en/cannot-roll-back.html PostreSQL does: wiki.postgresql.org/wiki/… So if your migration on MySQL database is broken then you have manually to delete part of migration that succeeded.
– Иван ...
How do you round UP a number in Python?
...
>>> math.ceil(4500/1000)
4.0
>>> math.ceil(4500/1000.0)
5.0
The problem is that dividing two ints in python produces another int and that's truncated before the ceiling call. You have to make one value a float (or cast) to get a correct result.
In javascript, the exact same cod...
Android requires compiler compliance level 5.0 or 6.0. Found '1.7' instead. Please use Android Tools
... eclipse IDE).
As helios said, you must set project compatibility to Java 5.0 or Java 6.0.
To do that, 2 options:
Right-click on your project and select "Android Tools -> Fix
Project Properties" (if this din't work, try second option)
Right-click on your project and select "Properties -> ...