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How do I change read/write mode for a file using Emacs?
...there by somebody else: M-x toggle-read-only would work.
However, this is now deprecated and M-x read-only-mode is the current way to do it, that it is set to C-x C-q keybinding.
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How to think in data stores instead of databases?
...nk 100% in object relationships that map directly to table structures, and now it's hard to see anything differently. I can understand some of the benefits of Google Datastore (e.g. performance and the ability to distribute data), but some good database functionality is sacrificed (e.g. joins).
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'Must Override a Superclass Method' Errors after importing a project into Eclipse
...-> Preferences menu item, then select Java and Compiler in the dialog.
Now it still may show compiler compliance level at 1.6, yet you still see this problem. So now select the link "Configure Project Specific Settings..." and in there you'll see the project is set to 1.5, now change this to 1....
jQuery Validation plugin: disable validation for specified submit buttons
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Hello @lepe, you know how to re-apply jquery validation after writing $("form").validate().cancelSubmit = true;. I tried $("form").validate().cancelSubmit = false; and calling $("form").validate(); on submit of my submit button. Thanks
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What is the documents directory (NSDocumentDirectory)?
...ch with @"~/Documents". Hardcoding paths is never a good idea. It may work now, but if Apple ever chooses to rename or move the Documents directory, your app will break. NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); will always give you the correct directory!
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Adding Python Path on Windows 7
...am not sure the %path% is needed. On my Windows 7 system, new cmd windows now have two copies of the previous paths.
– Paul Lynch
Nov 7 '14 at 15:38
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Remove or uninstall library previously added : cocoapods
...(alt+shift+command+K), and the warnings/linker errors were gone. Pods were now successfully uninstalled from the project.
– Mark Barrasso
Jan 30 '17 at 21:30
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How do you create an asynchronous method in C#?
... build your own asynchronous methods to consume. So I have this code right now that consumes my method:
3 Answers
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'pip' is not recognized as an internal or external command
...tem variable. By default, pip is installed to C:\Python34\Scripts\pip (pip now comes bundled with new versions of python), so the path "C:\Python34\Scripts" needs to be added to your PATH variable.
To check if it is already in your PATH variable, type echo %PATH% at the CMD prompt
To add the path ...
Using ZXing to create an Android barcode scanning app [duplicate]
...lementing the code until I found some website (I can't find it again right now) that explained that you need to include the package name in the name of the intent.putExtra.
It would pull up the application, but it wouldn't recognize any barcodes, and when I changed it from.
intent.putExtra("SCAN_M...