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test a file upload using rspec - rails
...oever sees the comment and has the same question) I had the same issue. In my case, the first argument to post was a path helper method, whose only intended argument I didn't enclose in parentheses, so the following tokens were interpreted as additional args to the helper, rather than args for the p...
map function for objects (instead of arrays)
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There is no native map to the Object object, but how about this:
var myObject = { 'a': 1, 'b': 2, 'c': 3 };
Object.keys(myObject).map(function(key, index) {
myObject[key] *= 2;
});
console.log(myObject);
// => { 'a': 2, 'b': 4, 'c': 6 }
But you could easily iterate over an...
C# equivalent of the IsNull() function in SQL Server
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It's called the null coalescing (??) operator:
myNewValue = myValue ?? new MyValue();
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How to install multiple python packages at once using pip
... answers, you can use the option --no-cache-dir to disable caching in pip. My virtual machine was crashing when installing many packages at once with pip install -r requirements.txt. What solved for me was:
pip install --no-cache-dir -r requirements.txt
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using lodash .groupBy. how to add your own keys for grouped output?
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Very nifty, but hard to wrap my head around. Can you explain the steps in between, especially the pairing and zipping (and the double zip, since _.object is an alias for _.zipObject).
– Benny Bottema
Jul 31 '15 at 9...
What character to use to put an item at the end of an alphabetic list?
... So I created a folder with this at the beginning of the name on my Sharepoint drive and now it's there and I can't access it or delete it. :|
– Devil's Advocate
Jun 28 '16 at 21:05
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How to make the first option of selected with jQuery
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I recant my previous statement, was getting ahead of myself. $("#target").val("option:first"); works most everywhere but IE6 $("target").val($("#target option:first").val()); will work in IE6, because you are literally looking up the ...
Custom ListView click issue on items in Android
...heckboxes. I've done some searching but haven't found anything relevant to my current situation. I found this question but I'm using an overridden ArrayAdapter since I'm using ArrayLists to contain the list of databases internally. Do I just need to get the LinearLayout view and add an onClickList...
How to clear an ImageView in Android?
I am reusing ImageView s for my displays, but at some point I don't have values to put it.
17 Answers
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Android: Go back to previous activity
...g about exiting an activity you need just for a bit .. e.g. OCR scanner in my case. Thanks!
– Gene Bo
Apr 9 '15 at 22:31
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