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Why use a READ UNCOMMITTED isolation level?
...on. This option has the same effect as setting NOLOCK on all tables in all SELECT statements in a transaction. This is the least restrictive of the four isolation levels.
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Swift alert view with OK and Cancel: which button tapped?
... in Xcode written in Swift and I'd like to determine which button the user selected (it is a confirmation dialog) to do nothing or to execute something.
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How do I create a list of random numbers without duplicates?
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This will return a list of 10 numbers selected from the range 0 to 99, without duplicates.
import random
random.sample(range(100), 10)
With reference to your specific code example, you probably want to read all the lines from the file once and then select rand...
How to deal with SettingWithCopyWarning in Pandas?
...owing, which does not always work as expected, particularly when the first selection returns a copy. [see GH5390 and GH5597 for background discussion.]
df[df['A'] > 2]['B'] = new_val # new_val not set in df
The warning offers a suggestion to rewrite as follows:
df.loc[df['A'] > 2, 'B'] =...
PHP sprintf escaping %
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sprintf("SELECT * FROM ... WHERE name LIKE '%%%s%%%s%%'", $fname, $lname); -- Ugly but it works!
– Jan Hettich
Oct 8 '11 at 22:57
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How to Vertical align elements in a div?
...st to understand. Perhaps it's because I wasn't patient enough to grok the selected answer. Flexbox all the things!
– modulitos
Aug 14 '18 at 6:30
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“No X11 DISPLAY variable” - what does it mean?
... application called 'XLaunch' and verify that the settings are as shown:
select Default entries on Display Settings windows, click next
click next on Session Type window.
click next on Additional parameters window(Notice clipboard checkbox is true)
save configuration and click to finish.
Configu...
Is XSLT worth it? [closed]
...f there is a lot of logic, but mostly of forms which are built in to XSLT (select all elements which look like blah, and for each one output blah), it's likely to be quite a friendly environment. If you fancy thinking XML-ishly at all times, then give XSLT 2 a go.
Otherwise, I'd say that if your fa...
Changing UIButton text
...set up to four different strings for the four states (normal, highlighted, selected, disabled).
Because of this feature, setting the titleLabel's text directly won't persist, and will be reset by the button when it lays out its subviews.
This is what you have to do to change the title text for a...
Adding command line options to CMake
...building a large library using CMake, and I would like users to be able to selectively enable/disable certain parts of my build process.
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