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Call by name vs call by value in Scala, clarification needed
As I understand it, in Scala, a function may be called either
16 Answers
16
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Permission is only granted to system app
...Error Checking.
In the list find an entry with ID = ProtectedPermission. Set the Severity to something lower than Error. This way you can still compile the project using Eclipse.
In Android Studio:
File -> Settings -> Editor -> Inspections
Under Android Lint, locate Using system ap...
ByteArray 扩展 - 字节数组处理工具 · App Inventor 2 中文网
...yteArray1.AddByte 67 // 添加字符 'C'
// 获取数组长度
set Label1.Text to "数组长度: " & ByteArray1.Size
// 转换为十六进制字符串
set Label2.Text to "十六进制: " & ByteArray1.ToString
读写整数
when Button2.Click
do
// ...
How to convert JSON to CSV format and store in a variable
I have a link that opens up JSON data in the browser, but unfortunately I have no clue how to read it. Is there a way to convert this data using JavaScript in CSV format and save it in JavaScript file?
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Using the “final” modifier whenever applicable in Java [closed]
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Obsess over:
Final fields - Marking fields as final forces them to be set by end of construction, making that field reference immutable. This allows safe publication of fields and can avoid the need for synchronization on later reads. (Note that for an object reference, only the field referen...
Iterate over a Javascript associative array in sorted order
...e drawback to this is that you can not determine whether a specific key is set as easily. See this answer to javascript function inArray for an answer to that problem. One issue with the solution presented is that a.hasValue('key') is going to be slightly slower than a['key']. That may or may not ma...
How to extract numbers from a string and get an array of ints?
...ut:
[-1, -2, 455, 0, 4]
Description
[^-?0-9]+
[ and ] delimites a set of characters to be single matched, i.e., only one time in any order
^ Special identifier used in the beginning of the set, used to indicate to match all characters not present in the delimited set, instead of all charact...
How to pass password to scp?
... spawn scp /usr/bin/file.txt root@<ServerLocation>:/home
set pass "Your_Password"
expect {
password: {send "$pass\r"; exp_continue}
}
run the script
expect test.exp
I hope that helps.
How to create a Custom Dialog box in android?
...avedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.custom_dialog);
yes = (Button) findViewById(R.id.btn_yes);
no = (Button) findViewById(R.id.btn_no);
yes.setOnClickListener(this);
no.setOnClickListener(this);
}
@Override
public...
PostgreSQL - max number of parameters in “IN” clause?
In Postgres, you can specify an IN clause, like this:
8 Answers
8
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