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Append values to a set in Python
...he | operator to concatenate two sets (union in set theory):
>>> my_set = {1}
>>> my_set = my_set | {2}
>>> my_set
{1, 2}
Or a shorter form using |=:
>>> my_set = {1}
>>> my_set |= {2}
>>> my_set
{1, 2}
Note: In versions prior to Python 2.7...
What is causing “Unable to allocate memory for pool” in PHP?
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In my case I had to change from file-backed to POSIX-compliant in order to get rid of the error.
– Attila Fulop
Jul 24 '12 at 9:45
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Gitignore not working
My .gitignore file isn't working for some reason, and no amount of Googling has been able to fix it. Here is what I have:
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findViewByID returns null
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I have my setContentView called before findViewById and it is still null. I am referencing an EditText
– Neon Warge
Feb 13 '16 at 9:58
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Check if my app has a new version on AppStore
I would like to manually check if there are new updates for my app while the user is in it, and prompt him to download the new version. Can I do this by checking the version of my app in the app store - programatically?
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How to refer environment variable in POM.xml?
...perties. For example, say on Linux you want to access environment variable MY_VARIABLE. You can use a system property in your pom file.
<properties>
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<!-- Default value for my.variable can be defined here -->
<my.variable>foo</my.variable>
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</propert...
Why is there extra padding at the top of my UITableView with style UITableViewStyleGrouped in iOS7
Starting in iOS7, there is additional space at the top of my UITableView 's which have a style UITableViewStyleGrouped .
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Android: failed to convert @drawable/picture into a drawable
In my drawable folder I have a few images and they all reference perfect, but when I try and add any more images with the exact same size in the same folder, and try to reference it, is flags up an error "Failed to convert @drawable/picture into a drawable" . I have tried the same image with a diff...
Outlook autocleaning my line breaks and screwing up my email format
...und when researching this problem which goes into a little more depth than my answer.
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Recover from git reset --hard?
...ocal history - and in addition, since some changes were older than 6 days, my Time Machine backup of Eclipse's local history! For some reason the Time Machine backup of the folder managed by git did not contain my previous changes.
– christianbrodbeck
May 31 '1...