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What is the correct XPath for choosing attributes that contain “foo”?
Given this XML, what XPath returns all elements whose prop attribute contains Foo (the first three nodes):
9 Answers
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Display / print all rows of a tibble (tbl_df)
...ame manipulation package in R. It prevents long table outputs when accidentally calling the data frame.
7 Answers
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setTimeout in for-loop does not print consecutive values [duplicate]
...vident over the fact that setting up a few timeouts causes the handlers to all fire at the same time. It's important to understand that the process of setting up the timer — the calls to setTimeout() — take almost no time at all. That is, telling the system, "Please call this function after 1000...
How do I debug an MPI program?
...ould like to step through it to make sure nothing bizarre is happening. Ideally, I would like a simple way to attach GDB to any particular process, but I'm not really sure whether that's possible or how to do it. An alternative would be having each process write debug output to a separate log file, ...
Update ViewPager dynamically?
...t is best to deal solely with getItem() and not touch instantiateItem() at all. The instantiateItem()-destroyItem()-isViewFromObject() interface on PagerAdapter is a lower-level interface that FragmentPagerAdapter uses to implement the much simpler getItem() interface.
Before getting into this, I s...
How can I find non-ASCII characters in MySQL?
...ame WHERE columnToCheck NOT REGEXP '[A-Za-z0-9]';
That query will return all rows where columnToCheck contains any non-alphanumeric characters. If you have other characters that are acceptable, add them to the character class in the regular expression. For example, if periods, commas, and hyphens ...
How do I create test and train samples from one dataframe with pandas?
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In the newest SciKit version you need to call it now as: from sklearn.cross_validation import train_test_split
– horseshoe
Mar 22 '17 at 9:32
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How can I use Google's Roboto font on a website?
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You don't really need to do any of this.
Go to Google's Web Fonts page
search for Roboto in the search box at the top right
Select the variants of the font you want to use
click 'Select This Font' at the top and choose the weights an...
Group by & count function in sqlalchemy
...ssion.query(Table.column, func.count(Table.column)).group_by(Table.column).all()
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Search text in fields in every table of a MySQL database
I want to search in all fields from all tables of a MySQL database a given string, possibly using syntax as:
24 Answers
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