Update cheatsheets

tldr/android/dalvikvm

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # dalvikvm
 
 > Android Java virtual machine.
-> More information: <https://developer.android.com/tools/#art_and_dalvik>.
+> More information: <https://source.android.com/docs/core/runtime>.
 
 - Start a specific Java program:
 

tldr/fitstopnm

@@ -0,0 +1,18 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# fitstopnm
+
+> Convert a Flexible Image Transport System (FITS) file to a PNM image.
+> See also: `pamtofits`.
+> More information: <https://netpbm.sourceforge.net/doc/fitstopnm.html>.
+
+- Convert a FITS file to a PNM image:
+
+`fitstopnm {{path/to/file.fits}} > {{path/to/output.pnm}}`
+
+- Convert the image on the specified position of the third axis in the FITS file:
+
+`fitstopnm -image {{z_position}} {{path/to/file.fits}} > {{path/to/output.pnm}}`

tldr/pamcut

@@ -0,0 +1,22 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pamcut
+
+> Cut out a rectangular region from a Netpbm image.
+> See also: `pamcrop`, `pamdice`, `pamcomp`.
+> More information: <https://netpbm.sourceforge.net/doc/pamcut.html>.
+
+- Discard the specified number of columns/rows on each side of the image:
+
+`pamcut -cropleft {{value}} -cropright {{value}} -croptop {{value}} -cropbottom {{value}} {{path/to/image.ppm}} > {{path/to/output.ppm}}`
+
+- Keep only the columns between the specified columns (inclusively):
+
+`pamcut -left {{value}} -right {{value}} {{path/to/image.ppm}} > {{path/to/output.ppm}}`
+
+- Fill missing areas with black pixels if the specified rectangle does not entirely lie within the input image:
+
+`pamcut -top {{value}} -bottom {{value}} -pad {{path/to/image.ppm}} > {{path/to/output.ppm}}`

tldr/pamdeinterlace

@@ -0,0 +1,18 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pamdeinterlace
+
+> Remove every other row in a Netpbm image.
+> See also: `pammixinterlace`.
+> More information: <https://netpbm.sourceforge.net/doc/pamdeinterlace.html>.
+
+- Produce an image consisting of the input's even-numbered rows:
+
+`pamdeinterlace {{path/to/image.ppm}} > {{path/to/output.ppm}}`
+
+- Produce an image consisting of the input's odd-numbered rows:
+
+`pamdeinterlace -takeodd {{path/to/image.ppm}} > {{path/to/output.ppm}}`

tldr/pamdice

@@ -0,0 +1,18 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pamdice
+
+> Slice a Netpbm image vertically or horizontally.
+> See also: `pamundice`.
+> More information: <https://netpbm.sourceforge.net/doc/pamdice.html>.
+
+- Slice a Netpbm image such that the resulting tiles have the specified height and width:
+
+`pamdice -outstem {{path/to/filename_stem}} -height {{value}} -width {{value}} {{path/to/input.ppm}}`
+
+- Make the produced pieces overlap by the specified amount horizontally and vertically:
+
+`pamdice -outstem {{path/to/filename_stem}} -height {{value}} -width {{value}} -hoverlap {{value}} -voverlap {{value}} {{path/to/input.ppm}}`

tldr/pammixinterlace

@@ -0,0 +1,22 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pammixinterlace
+
+> Merge each row in an image with its two neighbours.
+> See also: `pamdeinterlace`.
+> More information: <https://netpbm.sourceforge.net/doc/pammixinterlace.html>.
+
+- Merge each row in an image with its two neighbours:
+
+`pammixinterlace {{path/to/image.ppm}} > {{path/to/output.ppm}}`
+
+- Use the specified filtering mechanism:
+
+`pammixinterlace -filter {{linear|fir|ffmpeg}} {{path/to/image.ppm}} > {{path/to/output.ppm}}`
+
+- Turn on adaptive filtering mode, i.e., only modify pixels that are obviously part of a comb pattern:
+
+`pammixinterlace -adaptive {{path/to/image.ppm}} > {{path/to/output.ppm}}`

tldr/pamtofits

@@ -0,0 +1,14 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pamtofits
+
+> Convert a Netpbm image to the Flexible Image Transport System (FITS) format.
+> See also: `fitstopnm`.
+> More information: <https://netpbm.sourceforge.net/doc/pamtofits.html>.
+
+- Convert a Netpbm image to the FITS format:
+
+`pamtofits {{path/to/image.pam}} > {{path/to/output.fits}}`

tldr/pamundice

@@ -0,0 +1,22 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pamundice
+
+> Combine a grid of Netpbm images into one.
+> See also: `pamdice`.
+> More information: <https://netpbm.sourceforge.net/doc/pamundice.html>.
+
+- Combine the images whose names match the `printf`-style filename expression. Assume a grid with a specific size:
+
+`pamundice {{filename_%1d_%1a.ppm}} -across {{grid_width}} -down {{grid_height}} > {{path/to/output.ppm}}`
+
+- Assume that the tiles overlap horizontally and vertically by the specified amount:
+
+`pamundice {{filename_%1d_%1a.ppm}} -across {{x_value}} -down {{y_value}} -hoverlap {{value}} -voverlap {{value}} > {{path/to/output.ppm}}`
+
+- Specify the images to be combined through a text file containing one filename per line:
+
+`pamundice -listfile {{path/to/file.txt}} -across {{x_value}} -down {{y_value}} > {{path/to/output.ppm}}`

tldr/pnmtofits

@@ -0,0 +1,13 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pnmtofits
+
+> This command is superseded by `pamtofits`.
+> More information: <https://netpbm.sourceforge.net/doc/pnmtofits.html>.
+
+- View documentation for the current command:
+
+`tldr pamtofits`

tldr/tgpt

@@ -0,0 +1,42 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# tgpt
+
+> Talk to an AI chatbot without the need for API keys.
+> Available providers: `openai`, `opengpts`, `koboldai`, `phind`, `llama2`, `blackboxai`.
+> More information: <https://github.com/aandrew-me/tgpt>.
+
+- Chat with the default provider (GPT-3.5-turbo):
+
+`tgpt "{{prompt}}"`
+
+- Start [m]ulti-line interactive mode:
+
+`tgpt --multiline`
+
+- Generate [i]mages and save them to the current directory:
+
+`tgpt --image "{{prompt}}"`
+
+- Generate [c]ode with the default provider (GPT-3.5-turbo):
+
+`tgpt --code "{{prompt}}"`
+
+- Chat with a specific provider [q]uietly (without animations):
+
+`tgpt --provider {{openai|opengpts|koboldai|phind|llama2|blackboxai}} --quiet --whole "{{prompt}}"`
+
+- Generate and execute [s]hell commands using a specific provider (with a confirmation prompt):
+
+`tgpt --provider {{llama2}} --shell "{{prompt}}"`
+
+- Prompt with an API key, model, max response length, temperature, and `top_p` (required when using `openai` provider):
+
+`tgpt --provider openai --key "{{api_key}}" --model "{{gpt-3.5-turbo}}" --max-length {{10}} --temperature {{0.7}} --top_p {{0.9}} "{{prompt}}"`
+
+- Feed a file as additional pre-prompt input:
+
+`tgpt --provider {{blackboxai}} "{{prompt}}" < {{path/to/file}}`