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check if directory exists and delete in one command unix
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151
Assuming $WORKING_DIR is set to the directory... this one-liner should do it:
if [ -d "$WORKI...
Print array elements on separate lines in Bash?
...arate argument, while "$*"
expands to the args merged into one argument: "$1c$2c..." (where c is
the first char of IFS).
You almost always want "$@". Same goes for "${arr[@]}".
Always quote them!
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Disabling of EditText in Android
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251
I believe the correct would be to set android:editable="false".
And if you wonder why my link p...
Difference: std::runtime_error vs std::exception()
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156
std::exception is the class whose only purpose is to serve as the base class in the exception ...
How do I apply a style to all buttons of an Android application
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1 Answer
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Unpack a list in Python?
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edited Sep 10 '19 at 14:24
Flow
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read complete file without using loop in java
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130
If the file is small, you can read the whole data once:
File file = new File("a.txt");
FileIn...
How to undo another user’s checkout in TFS?
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144
There are at least 2 different ways to do this:
Command Line
There is a command-line utility...
How can I create an array with key value pairs?
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150
Use the square bracket syntax:
if (!empty($row["title"])) {
$catList[$row["datasource_id"...
C: What is the difference between ++i and i++?
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21 Answers
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