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JavaScript - cannot set property of undefined
...ever set d[a] to any value.
Because of this, d[a] evaluates to undefined, and you can't set properties on undefined.
If you add d[a] = {} right after d = {} things should work as expected.
Alternatively, you could use an object initializer:
d[a] = {
greetings: b,
data: c
};
Or you coul...
How to open in default browser in C#
I am designing a small C# application and there is a web browser in it. I currently have all of my defaults on my computer say google chrome is my default browser, yet when I click a link in my application to open in a new window, it opens internet explorer. Is there any way to make these links open...
WPF Databinding: How do I access the “parent” data context?
...tained in a window. The window's DataContext has two properties, Items and AllowItemCommand .
3 Answers
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How to clone an InputStream?
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If all you want to do is read the same information more than once, and the input data is small enough to fit into memory, you can copy the data from your InputStream to a ByteArrayOutputStream.
Then you can obtain the associated array of bytes and open as many "cloned" ByteArrayInputStreams...
What is the most effective way to get the index of an iterator of an std::vector?
I'm iterating over a vector and need the index the iterator is currently pointing at. AFAIK this can be done in two ways:
9...
HTML code for an apostrophe
... W3C does view it as an apostrophe. I saw to hell with the proper English and typography a ' is a ’ to most people.
– Cleanshooter
Mar 8 '12 at 17:12
143
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PHP array: count or sizeof?
...d use count() if they are the same, as in my experience it is more common, and therefore will cause less developers reading your code to say "sizeof(), what is that?" and having to consult the documentation.
I think it means sizeof() does not work like it does in C (calculating the size of a dataty...
Calling a parent window function from an iframe
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Always take into account that parent document and iframe document must match by protocol and domain name. If it does not happen then you will get a security error as it is not allow to have cross domain scripting.
– a4bike
Sep 2 '15...
What text editor is available in Heroku bash shell? [closed]
...ust install:
heroku plugins:install https://github.com/naaman/heroku-vim
And use:
heroku vim
The heroku vim command will drop you into a bash shell with vim installed on your $PATH. All you have to do is retrain your fingers to type heroku vim instead of heroku run bash.
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How do you set a default value for a MySQL Datetime column?
...s can be a problem if your system has to store birthdates, or you have to handle something like the payment plan for a 30-year mortgage. dev.mysql.com/doc/refman/5.0/en/datetime.html
– Kip
Sep 27 '11 at 17:01
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