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How to check if a value exists in a dictionary (python)
...s require a global lookup and call, they'll absolutely be slower. Both do extra work that's not needed.
– Martijn Pieters♦
Aug 15 '19 at 12:02
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How to solve javax.net.ssl.SSLHandshakeException Error?
...d i bind to UI. And also I integrated PayPal with my application for make Express checkout when I make a call for payment I'm facing this error. I use servlet for back-end process. Can any one say how to fix this issue?
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Modulo operation with negative numbers
... a
This makes sense, logically. Right?
Let's see what this leads to:
Example A. 5/(-3) is -1
=> (-1) * (-3) + 5%(-3) = 5
This can only happen if 5%(-3) is 2.
Example B. (-5)/3 is -1
=> (-1) * 3 + (-5)%3 = -5
This can only happen if (-5)%3 is -2
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Python Flask, how to set content type
I am using Flask and I return an XML file from a get request. How do I set the content type to xml ?
7 Answers
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When to use extern in C++
I'm reading "Think in C++" and it just introduced the extern declaration. For example:
4 Answers
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How do I use Ruby for shell scripting?
...of directory, including current dir.
#=> array of relative names
File.expand_path('~/file.txt') #=> "/User/mat/file.txt"
File.dirname('dir/file.txt') #=> 'dir'
File.basename('dir/file.txt') #=> 'file.txt'
File.join('a', 'bunch', 'of', 'strings') #=> 'a/bunch/of/strings'
__FILE__ #=&...
Passing a string with spaces as a function argument in bash
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Can you explain why one needs quotes? I tried both with and without, and it did not work for me. I'm using Ubuntu 14.04, GNU bash, version 4.3.11(1)-release (x86_64-pc-linux-gnu). What does work for me is using $@ (with or without quo...
How to round an image with Glide library?
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Glide V4:
Glide.with(context)
.load(url)
.circleCrop()
.into(imageView);
Glide V3:
You can use RoundedBitmapDrawable for circular images with Glide. No custom ImageView is required.
Glide.with(context).load(url).asBitmap()...
Making TextView scrollable on Android
I am displaying text in a textview that appears to be too long to fit
into one screen. I need to make my TextView scrollable. How can I do
that?
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How do I search for an object by its ObjectId in the mongo console?
...re the collection name is correct (case matters) and that the ObjectId is exact.
Documentation is here
> db.test.insert({x: 1})
> db.test.find() // no criteria
{ "_id" : ObjectId("4ecc05e55dd98a436ddcc47c"), "x" : 1 }
> db.test.find({"...