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String comparison in Python: is vs. == [duplicate]
I noticed a Python script I was writing was acting squirrelly, and traced it to an infinite loop, where the loop condition was while line is not '' . Running through it in the debugger, it turned out that line was in fact '' . When I changed it to !='' rather than is not '' , it worked fine.
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Get screen width and height in Android
How can I get the screen width and height and use this value in:
29 Answers
29
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How to do SQL Like % in Linq?
I have a procedure in SQL that I am trying to turn into Linq:
14 Answers
14
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Get index of selected option with jQuery
I'm a little bit confused about how to get an index of a selected option from a HTML <select> item.
7 Answers
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How to convert int to NSString?
I'd like to convert an int to a NSString in Objective C.
4 Answers
4
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What are the Ruby Gotchas a newbie should be warned about? [closed]
I have recently learned the Ruby programming language, and all in all it is a good language. But I was quite surprised to see that it was not as simple as I had expected. More precisely, the "rule of least-surprise" did not seem very respected to me (of course this is quite subjective). For examp...
$http get parameters does not work
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The 2nd parameter in the get call is a config object. You want something like this:
$http
.get('accept.php', {
params: {
source: link,
category_id: category
}
})
.success(function (data,st...
Rails 4 - Strong Parameters - Nested Objects
...ermit nested attributes you do specify the attributes of nested object within an array. In your case it would be
Update as suggested by @RafaelOliveira
params.require(:measurement)
.permit(:name, :groundtruth => [:type, :coordinates => []])
On the other hand if you want nested of mul...
Disabling and enabling a html input button
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Using Javascript
Disabling a html button
document.getElementById("Button").disabled = true;
Enabling a html button
document.getElementById("Button").disabled = false;
Demo Here
Using jQuery
All versions of jQuery pri...
OS specific instructions in CMAKE: How to?
I am a beginner to CMAKE. Below is a simple cmake file which works well in mingw environment windows. The problem is clearly with target_link_libraries() function of CMAKE where I am linking libwsock32.a. In windows this works and I get the results.
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