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What does it mean if a Python object is “subscriptable” or not?
... meaning they contain other objects. This includes strings, lists, tuples, and dictionaries.
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If isset $_POST
...age. There, it checks if the input mail is filled. If so then do something and if it is not filled, do something else. I don't understand why it always says that it is set, even if I send an empty form. What is missing or wrong?
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Why doesn't os.path.join() work in this case?
The below code will not join, when debugged the command does not store the whole path but just the last entry.
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How can I visualize per-character differences in a unified diff file?
...y; otherwise type M-x diff-mode RET), go to the hunk you are interested in and hit C-c C-b for refine-hunk. Or step through the file one hunk at a time with M-n; that will do the refining automatically.
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Execute unit tests serially (rather than in parallel)
...gure which services are available without having to bring all of them down and restart them whenever a new service is added or an old one is removed.
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How do I reference an existing branch from an issue in GitHub?
Let's say I have a branch named feature/1 . And also issue #1. I want to link that branch to that issue.
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Windows equivalent to UNIX pwd
How do I find the local path on windows in a command prompt?
10 Answers
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MySQL Workbench: How to keep the connection alive
...ilable internet archive:
Go to Edit -> Preferences -> SQL Editor and set to a higher value this parameter: DBMS connection read time out (in seconds). For instance: 86400.
Close and reopen MySQL Workbench. Kill your previously query that
probably is running and run the query again.
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How to check for null in Twig?
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And to check if something is not null, simply do {% if var is not null %}
– J.-B. C.
Sep 6 '12 at 19:31
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Pandas groupby: How to get a union of strings
...065 This
1 2 0.301084 is
2 3 0.463468 a
3 4 0.643961 random
4 1 0.866521 string
5 2 0.120737 !
In [6]: df.dtypes
Out[6]:
A int64
B float64
C object
dtype: object
When you apply your own function, there is not automatic exclusions of non-numeric columns...