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Tomcat: How to find out running tomcat version
... : Apache Tomcat/5.5.25
Servlet Specification Version : 2.4
JSP version: 2.0
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How to get the first element of an array?
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like this
alert(ary[0])
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Numpy: Get random set of rows from 2D array
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200
>>> A = np.random.randint(5, size=(10,3))
>>> A
array([[1, 3, 0],
[3, ...
Get a filtered list of files in a directory
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400
import glob
jpgFilenamesList = glob.glob('145592*.jpg')
See glob in python documenttion
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How to base64 encode image in linux bash / shell
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You need to use cat to get the contents of the file named 'DSC_0251.JPG', rather than the filename itself.
test="$(cat DSC_0251.JPG | base64)"
However, base64 can read from the file itself:
test=$( base64 DSC_0251.JPG )
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Android存储系统基础知识：内部存储，外部存储，App特定目录 ASD(app speci...
...存在： /data/data//
私有目录在： /data/user/0//files/
私有目录可与文件组件一起使用来保存/读取文本（设置不带斜杠的路径），它只能由您的应用程序访问，并且在卸载应用程序时会自动删除。
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Microbit 板载引脚 · App Inventor 2 中文网
... 读取micro:bit引脚配置状态，特别是每个引脚配置为数字(0或1)还是模拟(0到255)。成功读取后，将触发PinADConfigurationReceived事件。
ReadPinData – 从micro:bit读取单次引脚状态样本。成功读取后，将触发PinDataReceived事件。在读取引...
Gradle proxy configuration
...response:
HTTP Only Proxy configuration
gradlew -Dhttp.proxyHost=127.0.0.1 -Dhttp.proxyPort=3128 "-Dhttp.nonProxyHosts=*.nonproxyrepos.com|localhost"
HTTPS Only Proxy configuration
gradlew -Dhttps.proxyHost=127.0.0.1 -Dhttps.proxyPort=3129 "-Dhttp.nonProxyHosts=*.nonproxyrepos.com|localh...
How do I write a “tab” in Python?
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Drew Dormann
47.5k1111 gold badges101101 silver badges153153 bronze badges
answered Dec 20 '10 at 10:07
SimoneSimone
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How to customize the background/border colors of a grouped table view cell?
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100
UPDATE: In iPhone OS 3.0 and later UITableViewCell now has a backgroundColor property that make...