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How to check file MIME type with javascript before upload?
I have read this and this questions which seems to suggest that the file MIME type could be checked using javascript on client side. Now, I understand that the real validation still has to be done on server side. I want to perform a client side checking to avoid unnecessary wastage of server res...
Don't reload application when orientation changes
...mply need nothing to change when the screen is rotated. My app displays a random image when it first loads and rotating the device should not select another random image.
How can I (simply) make this behavior stop?
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An established connection was aborted by the software in your host machine
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This problem can be simply solved by closing Eclipse and restarting it. Eclipse sometimes fails to establish a connection with the Emulator, so this can happen in some cases.
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Could not load file or assembly … An attempt was made to load a program with an incorrect format (Sy
I have two projects, ProjectA and ProjectB . ProjectB is a console application, which depends on ProjectA . Yesterday, everything was working fine, but suddenly today when I run ProjectB I get this:
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GitHub - List commits by author
...unt, just click the author's username from anywhere in the commit history, and the commits you can see will be filtered down to those by that author:
You can also click the 'n commits' link below their name on the repo's "contributors" page:
Alternatively, you can directly append ?author=<t...
Python __str__ and lists
...h object inside the List. For example, if my list contains objects o1, o2, and o3, list.toString() would look something like this:
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How is mime type of an uploaded file determined by browser?
...me
Chrome (version 38 as of writing) has 3 ways to determine the MIME type and does so in a certain order. The snippet below is from file src/net/base/mime_util.cc, method MimeUtil::GetMimeTypeFromExtensionHelper.
// We implement the same algorithm as Mozilla for mapping a file extension to
// a mim...
How do I stop a Git commit when VI is on the screen waiting for a commit message?
... have two options:
Provide an empty commit message. If it's a new commit and you haven't yet saved the message, you can simply use :q! (quit without saving). If you’ve already saved (or you're amending a previous commit), just delete the entire log message and save again. This can be done with g...
list_display - boolean icons for methods
... although it's a bit hard to find - go a couple of screens down from here, and you'll find this:
If the string given is a method of the model, ModelAdmin or a callable that returns True or False Django will display a pretty "on" or "off" icon if you give the method a boolean attribute whose valu...
Should I use encodeURI or encodeURIComponent for encoding URLs?
... generated by
forms with spaces in their fields. Due to this shortcoming and the
fact that this function fails to handle non-ASCII characters
correctly, you should avoid use of escape() whenever possible. The
best alternative is usually encodeURIComponent().
escape() will not encode: @*...