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What is an Intent in Android?
...t like "take picture", you declare an intent filter in your app's manifest file.
If you want to fire off an intent to do something, like pop up the dialer, you fire off an intent saying you will.
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Subset of rows containing NA (missing) values in a chosen column of a data frame
We have a data frame from a CSV file. The data frame DF has columns that contain observed values and a column ( VaR2 ) that contains the date at which a measurement has been taken. If the date was not recorded, the CSV file contains the value NA , for missing data.
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What is pluginManagement in Maven's pom.xml?
This is a snippet of my pom file.
5 Answers
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Sending an HTTP POST request on iOS
...ownloadTask() {
// Create destination URL
let documentsUrl:URL = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first as URL!
let destinationFileUrl = documentsUrl.appendingPathComponent("downloadedFile.jpg")
//Create URL to the source file you want to downl...
Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
...本存成一个文件，用如下命令行来运行。>lua file.lua复制代码
或是像shell一样运行：chenhao-air:lua chenhao$ cat hello.lua
#!/usr/local/bin/lua
print("Hello, World")
chenhao-air:lua chenhao$ chmod +x hello.lua
chenhao-air:test chenhao$ ./hello.lua
Hel...
What is resource-ref in web.xml used for?
...en/why you would define a <resource-ref> element in your web.xml file?
1 Answer
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extra qualification error in C++
...Visual Studio plugin for Cppcheck (but it's buggy and do not detect in all files)
– altumano
Mar 6 '15 at 11:08
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How can I get the diff between all the commits that occurred between two dates with Git?
...is gives a diff for each commit, even if there are multiple commits in one file. I know that "date" is a bit of a loose concept in git, I thought there must be some way to do this.
git diff 'master@{1 day ago}..master gives some warning warning: Log for 'master' only goes back to Tue, 16 Mar 2010 14...
How to Apply Corner Radius to LinearLayout
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You can create an XML file in the drawable folder. Call it, for example, shape.xml
In shape.xml:
<shape
xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle" >
<solid
android:color...
Checking if a blob exists in Azure Storage
... @anpatel, python version:len(blob_service.list_blobs(container_name, file_name)) > 0
– RaSi
Apr 6 '15 at 18:04
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