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Using the star sign in grep
I am trying to search for the substring "abc" in a specific file in linux/bash
10 Answers
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Function to clear the console in R and RStudio
I am wondering if there is a function to clear the console in R and, in particular, RStudio I am looking for a function that I can type into the console, and not a keyboard shortcut.
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“rm -rf” equivalent for Windows?
I need a way to recursively delete a folder and its children.
21 Answers
21
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How to animate the change of image in an UIImageView?
...an UIImageView with an image. Now I have a completely new image (graphic file), and want to display that in this UIImageView . If I just set
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How to append output to the end of a text file
How do I append the output of a command to the end of a text file?
10 Answers
10
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Specifying and saving a figure with exact size in pixels
Say I have an image of size 3841 x 7195 pixels. I would like to save the contents of the figure to disk, resulting in an image of the exact size I specify in pixels.
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Auto Scale TextView Text to Fit within Bounds
I'm looking for an optimal way to resize wrapping text in a TextView so that it will fit within its getHeight and getWidth bounds. I'm not simply looking for a way to wrap the text- I want to make sure it both wraps and is small enough to fit entirely on the screen.
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What's the fastest way to loop through an array in JavaScript?
I learned from books that you should write for loop like this：
22 Answers
22
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Can a Windows batch file determine its own file name?
Can a Windows batch file determine its own file name?
6 Answers
6
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How to set layout_gravity programmatically?
...(LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT);
params.weight = 1.0f;
params.gravity = Gravity.TOP;
button.setLayoutParams(params);
Kotlin
val params = LinearLayout.LayoutParams(
LinearLayout.LayoutParams.WRAP_CONTENT,
LinearLayout.LayoutParams.WRAP_CONTENT
).apply {
weight =...