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sqlite3.ProgrammingError: Incorrect number of bindings supplied. The current statement uses 1, and t
...g,))
Without the comma, (img) is just a grouped expression, not a tuple, and thus the img string is treated as the input sequence. If that string is 74 characters long, then Python sees that as 74 separate bind values, each one character long.
>>> len(img)
74
>>> len((img,))
1
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How should I cast in VB.NET?
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Those are all slightly different, and generally have an acceptable usage.
var.ToString() is going to give you the string representation of an object, regardless of what type it is. Use this if var is not a string already.
CStr(var) is the VB string cast op...
django MultiValueDictKeyError error, how do I deal with it
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Use the MultiValueDict's get method. This is also present on standard dicts and is a way to fetch a value while providing a default if it does not exist.
is_private = request.POST.get('is_private', False)
Generally,
my_var = dict.get(<key>, <default>)
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Disable activity slide-in animation when launching new activity?
... another activity, via a button click. By default, on newer OS versions of android, the OS will animate the new activity sliding in from right to left.
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Make a phone call programmatically
... I think Mellon's approach is better as it prompts the user first, and then returns to your app after the call. Just make sure to use canOpenURL: and fallback to the tel: prompt since telprompt is not official and could be removed in a future iOS version.
– joel.d
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UIImageView aspect fit and center
I have an image view, declared programmatically, and I am setting its image, also programmatically.
10 Answers
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Check if PHP session has already started
...a PHP file that is sometimes called from a page that has started a session and sometimes from a page that doesn't have session started. Therefore when I have session_start() on this script I sometimes get the error message for "session already started". For that I've put these lines:
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Fade Effect on Link Hover?
...it's a lot easier than messing with JS, browser support is reasonably good and it's merely cosmetic so it doesn't matter if it doesn't work.
Something like this gets the job done:
a {
color:blue;
/* First we need to help some browsers along for this to work.
Just because a vendor prefix i...
HTTP status code 0 - Error Domain=NSURLErrorDomain?
... your http error calll back, angulartutorial.net/2017/03/http-status-codes-and-meanings.html
– Prashobh
Mar 15 '17 at 10:48
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How can I get a list of locally installed Python modules?
...is solution applies to the system scope or to a virtual environment scope, and covers packages installed by setuptools, pip and (god forbid) easy_install.
My use case
I added the result of this call to my flask server, so when I call it with http://example.com/exampleServer/environment I get the l...