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Find first element in a sequence that matches a predicate
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I am a python newbie and read the docs and the ifilter uses the "yield" method. I assume this means that the predicate is lazily evaluated as we go. i.e, we dont run the predicate through the entire list because I have a predicate function that i...
postgresql - add boolean column to table set default
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Note that if your table is big this can take a long time and lock the table for the entire time. It's faster to split it into steps: add the column without a default with ALTER TABLE users ADD COLUMN priv_user BOOLEAN;, then UPDATE users SET priv_user = 'f'; and finally if you need...
Why doesn't Internet Explorer 11 honour conditional comments even when emulating Internet Explorer 8
...ditional comments are still ignored, that is, they are not properly parsed and behave like normal comments. So any referenced file inside the conditional comment is not requested/loaded by the browser.
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What is pseudopolynomial time? How does it differ from polynomial time?
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To understand the difference between polynomial time and pseudopolynomial time, we need to start off by formalizing what "polynomial time" means.
The common intuition for polynomial time is "time O(nk) for some k." For example, select...
How to justify a single flexbox item (override justify-content)
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This technique is excellent and it also works in the vertical direction. For instance, you want the last element inside a fixed height container to stick to the bottom. You can use ``` .container { flex-direction: column; justify-conte...
Failed binder transaction when putting an bitmap dynamically in a widget
...sed because all the changes to the RemoteViews are serialised (e.g. setInt and setImageViewBitmap ). The bitmaps are also serialised into an internal bundle. Unfortunately this bundle has a very small size limit.
You can solve it by scaling down the image size this way:
public static Bitmap scale...
The apk must be signed with the same certificates as the previous version
I had uploaded my app to Google Play (back when it was called Android Market) some time ago.
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Erasing elements from a vector
...ranteed to occur only once in the vector. It may be present multiple times and I need to clear all of them. My code is something like this:
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Html.Textbox VS Html.TextboxFor
What is the difference between Html.Textbox and Html.TextboxFor?
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Is there a “vim runtime log”?
Sometimes I try a customization/command in my vimrc. Everything seens to be correct, but it just doesn't work.
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