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Does async(launch::async) in C++11 make thread pools obsolete for avoiding expensive thread creation
... loosely related to this question: Are std::thread pooled in C++11? . Though the question differs, the intention is the same:
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jQuery ui dialog change title after load-callback
I like to change the title from an UI Dialog after i have submitted a form in this UI Dialog. So in the callback-function after load i should suggest, but i've tried and googled without result.
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Delete rows from a pandas DataFrame based on a conditional expression involving len(string) giving K
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When you do len(df['column name']) you are just getting one number, namely the number of rows in the DataFrame (i.e., the length of the column itself). If you want to apply len to each element in the column, use df['column name'].map(len). So try
df[df['column name'].map(len) < 2]
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How to change the commit author for one specific commit?
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Interactive rebase off of a point earlier in the history than the commit you need to modify (git rebase -i <earliercommit>). In the list of commits being rebased, change the text from pick to edit next to the hash of the one you want...
postgresql: INSERT INTO … (SELECT * …)
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As Henrik wrote you can use dblink to connect remote database and fetch result. For example:
psql dbtest
CREATE TABLE tblB (id serial, time integer);
INSERT INTO tblB (time) VALUES (5000), (2000);
psql postgres
CREATE TABLE tblA (id serial, time intege...
SQL, Postgres OIDs, What are they and why are they useful?
I am looking at some PostgreSQL table creation and I stumbled upon this:
4 Answers
4
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Explode string by one or more spaces or tabs
How can I explode a string by one or more spaces or tabs?
10 Answers
10
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Create dynamic URLs in Flask with url_for()
Half of my Flask routes requires a variable say, /<variable>/add or /<variable>/remove . How do I create links to those locations?
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Connecting to Azure website via FTP
What login credentials do I use to connect to the FTP site that is listed on the dashboard of my Azure? I tried using the same credentials I use to log into Azure but this is failing. TIA.
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How to declare an ArrayList with values? [duplicate]
...n in Java has questioned and answered how to declare an empty ArrayList but how do I declare an ArrayList with values?
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