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How to have jQuery restrict file types on upload?
...ing $("#my_upload_form").submit(function() { // above check }); api.jquery.com/submit. you can also prevent the form submitting using $("#my_upload_form").submit(function(e) { // above check e.preventDefault(); });
– Liam
Sep 24 '12 at 9:50
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Google Play app description formatting
...ther HTML or Markdown style).
A fully-formatted URL such as http://google.com; this appears as a hyperlink.
(Beware that trying to use an HTML <a> tag for a custom description does not work and breaks the formatting.)
HTML character entities are supported, such as &rarr; (→), &trade...
Node.js EACCES error when listening on most ports
...s specified in the PORT environment variable.
See http://devcenter.heroku.com/articles/node-js
const server = require('http').createServer();
const port = process.env.PORT || 3000;
server.listen(port, () => console.log(`Listening on ${port}`));
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NPM modules won't install globally without sudo
...c
export PATH="$PATH:$HOME/.npm-packages/bin"
see https://stackoverflow.com/a/18277225 from @passy
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Automating the InvokeRequired code pattern
I have become painfully aware of just how often one needs to write the following code pattern in event-driven GUI code, where
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.gitignore for Visual Studio Projects and Solutions
...ates".
The .gitignore for Visual Studio can be found here:
https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
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Loop through files in a folder using VBA?
...Workbook.Path, "txt" 'inputDirectoryToScanForFile
'# https://stackoverflow.com/questions/10380312/loop-through-files-in-a-folder-using-vba
'#######################################################################
Function LoopThroughFiles(inputDirectoryToScanForFile, filenameCriteria) As String
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Dictionary returning a default value if the key does not exist [duplicate]
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@ProfK: You can just compare the key with null anyway; when TKey is a non-nullable value type, it will just always return false. Personally I don't think I'd want to do that though - null keys almost always represent a bug, in my experience.
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@Resource vs @Autowired
...or the standard (JSR-330) annotation @javax.inject.Inject - use it, with a combination of @Qualifier. Note that spring now also supports the @javax.inject.Qualifier meta-annotation:
@Qualifier
@Retention(RUNTIME)
public @interface YourQualifier {}
So you can have
<bean class="com.pkg.SomeBean...
Objective-C: Property / instance variable in category
... So if you wanted to use this on multiple instances and have each instance compute a distinct value, it wouldn't work.
Fortunately, the Objective-C runtime has this thing called Associated Objects that can do exactly what you're wanting:
#import <objc/runtime.h>
static void *MyClassResultKe...