I will often use Ctrl+G to go to a definition of some variable and then use the "previous cursor position" shortcut to go back to where I was after viewing. This is easy to achieve in Eclipse. But in Spyder, the previous cursor position shortcut (I left as the default Ctrl+alt+Left) takes me to seemingly completely random places. It even takes me to files I haven't touched in months! I checked that the shortcut is not being overridden by another command so I'm not sure what the issue is. I am using Spyder 4.0.1.
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I run a program using the Terminal in IntelliJ (and sometimes Konsole on KDE).
Wondering if there's a shortcut or method to get to the top of a recently run command. I have a lot of output and the debug text at the top of that output. There's no way to reverse this.
Is there a hotkey to do the same thing but with folder structures? i.e. go to top of the 'current folder view' on the left panel.
Thanks.
In IdeaVIM, if I extract a variable and want to name it, it seems like I'm in visual mode (the name of the variable is highlighted), yet I can't figure out a way to change what's highlighted. Here's an image:
If I type c, it doesn't do anything. If I type cc, it changes the whole line. Basically, it acts like I'm in command mode yet the name is highlighted as if it's in visual mode. What I want to do 99% of the time is change this word. Yet, the cursor is annoyingly one character after the word so ciw doesn't change it.
What's a convenient way to rename this variable? I've normally done hciw. I'd prefer that "extract variable" put me directly into insert mode, though.
It's a little counterintuitive, but the easiest thing to do is just immediately hit i to enter insert mode, then start typing the new name, and it will replace the highlighted text.
The problem, as I see it, is that vim is modal and vanilla IntelliJ is also modal, and what you have here is the interaction of two sets of modes. To understand the IntelliJ modes, try turning off IdeaVIM with ^Z and use the extract variable refactoring. Notice how if you start typing right away, what you type replaces the selected text, but if you move the cursor first and then start typing, what you type is inserted at the cursor. Now add IdeaVIM to the mix: once you are in insert mode, IntelliJ's behavior kicks in.
See VIM-274 for a request to change this behavior and some discussion of alternatives.
For "Extract Variable" once you've got to the point where it's suggesting names:
What always works is pressing Escape, b, cw and then typing the new name.
Sometimes you can press b right away, but often that puts me into visual mode for some reason, so pressing Escape is guaranteed.
I'm Using resharper 6 nighty builds and VB.net. I've a big medium project with multiple files that don't follow the code style conventions of my company.
I've configured resharper with my own convenctions and It suggest to me the right name for each variable (perfect!).
But I can't find any automagic way to make the current name to be replaced with the suggested name.
Are there any way to do it? If not ... did you know ane fearure of coderush Xpress to achieve it?
Thanks.
If you've configured ReSharper with your naming conventions, then it should show a warning (blue squiggly underline) under any identifiers that don't comply. If you put the text cursor on one of those misnamed identifiers, you should see a pyramid icon appear near the left margin. Then you can press Alt+Enter (or click the pyramid icon) to drop down a quick-fix menu. There should be an option in the menu to "Rename to '_myField'". Usually it's the first item in the list, so you can just press Enter again to do the rename.
If you want to do this on everything in a source file, you can use the ReSharper > Inspect > Next Issue in File command (or its keyboard shortcut -- F12 in the IDEA keymap) to move the cursor to the next warning in the file. Then, if it's another name warning, you can use Alt+Enter, Enter again to fix it.
Unfortunately, there isn't a way to automatically fix every instance of a warning at once (though it's been requested; please feel free to vote for RSRP-126551 in their issue tracker).
A keyboard shortcut to comment/uncomment out a piece of code is common in other programming IDE's for languages like Java, .Net. I find it a very useful technique when experimenting through trial and error to temporarily comment out and uncomment lines, words and parts of the code to find out what is and isn't working.
I cannot find any such keyboard shortcut on the Mathematica front end in version 7. I know that it is possible to comment out code by selecting the code, right mouse click and select Un/Comment from the menu that appears but this is too slow while coding.
I tried to access this using the menu key Menu on the keyboard but Mathematica frontend doesn't respond to or recognise this key unlike other applications, this could have allowed a key combination for commenting. Can someone else verify that this isn't unique to my machine and that the key isn't recognised by mathematica. I looked at this question and looked in the KeyEventTranslations.tr file but I don't think there is any way to create a shortcut to do this(?). Should I just live with it?
Any other suggestions?
(I have seen there is an Emacs version of mathematica, I have never tried Emacs or this Mma version and imagine that it would have this ability but would prefer not to go to the trouble and uncertainty of installing it. Also I would guess that the Wolfram Workbench could do this, but that may not be worth the investment just for this.)
You can install the shortcut in Mathematica 7.0.x if you are willing to edit the Mathematica system file MenuSetup.tr. You can find it in the same location as the KeyEventTranslations.tr file (i.e. in the installation under "SystemFiles/FrontEnd/TextResources/platform"). In MenuSetup.tr, locate the following line under the definition of the Edit menu:
MenuItem["Check &Balance", "Balance", MenuKey["B", Modifiers->{"Control", "Shift"}]],
Immediately below that line, insert the following:
MenuItem["Un/C&omment Selection", KernelExecute[FE`toggleComment[]], MenuKey["/", Modifiers->{"Command"}], MenuEvaluator -> Automatic, Method -> "Queued"],
The Un/Comment Selection command is now available under the Edit menu, with the keyboard shortcut Cmd-/ or Alt-/ depending on your platform -- just like in Mathematica 8 where this command comes pre-installed.
Please take as read the usual disclaimers about hacking the Mathematica installation files -- no warranty is offered :)
I do not know of any way to map this function to some shortcut involving the Menu key.
Shortcut Key, No Menu
The preceding steps mimic what Mathematica 8 does by installing a new menu item. If you prefer to leave the menus unchanged, then you can install the shortcut in KeyEventTranslations.tr instead. Add the following line:
Item[KeyEvent["/", Modifiers->{Command}], KernelExecute[ToExpression["FE`toggleComment[]"]], MenuEvaluator -> Automatic, Method -> "Queued"]
You'll need a comma on the end of that line if it is not the last item in the list.
Select the code and press one of the following:
Alt+/
Alt-E-O
Alt+E+O
Notes:
Tested only on Windows, using Mathematica 8.
On my non-US keyboard (ABNT Brazil), the shortcut Alt+/ doesn't work, instead I use Alt+E+O.
Here is code for your KeyEventTranslations.tr file that will comment out code. I am still working on the other half.
Item[KeyEvent["/", Modifiers -> {Command}],
FrontEndExecute[{
NotebookApply[FrontEnd`InputNotebook[],
"(*\[SelectionPlaceholder]*)"
]
}]
],
This binds it to Alt+/ as it is in Mathematica 8.
My first day using this IDE...
is there a way to configure the IDE to open files in the project by double click? It is rather painful having to drag files from the project overview into the editor window.
You can change the KeyMap.
Go to File->Settings and find the keymap section.
You will have to create a new KeyMap by clicking copy, and then look in the View section for "Jump to Source" and change/add the keymap you want.
However, as Bozhidar Batsov noted, double clicking may not always work so well. Whether it works may vary by OS and/or windowing system. I have no trouble with it in Mac OS X, but it doesn't seem to work well in openSUSE.
There are also other predefined keymaps that you can select from this settings screen. They're set up to resemble other IDEs, so you might find them helpful if you're transitioning from something else.
It is easy way to do in windows.
I found a great solution to this problem by Jelmer Kuperus over at Orange11.
Create an .Xresources file in your home directory. Add the following line:
*multiClickTime: 400
Jelmer explains that this setting changes the default double-click speed from 200ms to 400ms, effectively slowing it down. Save the file and then run:
xrdb ~/.Xresources
The effect is immediate, no need to logout or reboot. Double-click in Intellij works as expected. I did try changing the mouse double-click speed in System Settings first before trying this out to see if that made a difference but it did not.
I am using Ubuntu 11.04, Intellij 10.5.2, and Sun JDK 1.6.0_26. YMMV
Use F4 to open quickly the selected files. Btw double clicking on files should work as well(at least in theory). Swing's buggy handling of such events, however, causes the double click to not always work in IDEA, so I eventually stopped double clicking and switched to using F4. You can also use "Autoscroll to source" from the projects menu - this will open the source files as soon as you select them in the project browser.