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How to delete a folder with files using Java
... This will throw a NullPointerException if there is an I/O exception while reading the directory. The code should check whether entries is null.
– mernst
Oct 31 '17 at 23:55
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What is a higher kinded type in Scala?
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I keep reading it as higher kindred and imagining a kindred spirit
– Janac Meena
Mar 14 '19 at 23:54
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Why does git perform fast-forward merges by default?
...ommit message
# to branch names that are more understandable to the casual reader of the git log.
# Option --no-ff instructs git to always record a merge commit, even if
# the branch being merged into can be fast-forwarded. This is often the
# case when you create a short-lived topic branch which t...
What is the proper way to re-attach detached objects in Hibernate?
...ects to a hibernate session, although an object of the same identity MAY already exist in the session, which will cause errors.
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How do I reformat HTML code using Sublime Text 2?
...y reformat HTML code in Sublime Text 2 so it looks better and is easier to read?
15 Answers
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How to create module-wide variables in Python? [duplicate]
..._DBNAME__ = name
else:
raise RuntimeError("Database name has already been set.")
By the way, for this example, the simple if not __DBNAME__ test is adequate, because any string value other than an empty string will evaluate true, so any actual database name will evaluate true. But for...
How do I capture the output into a variable from an external process in PowerShell?
...ll out to cmd.exe /c (Windows) or sh -c (Unix), save to a file there, then read that file in PowerShell. See this answer for more information.
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How can I maintain fragment state when added to the back stack?
...G!!!
This is a HACK! Though I am using it in my app, you need to test and read comments carefully.
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How to center a subview of UIView
... undefined if the view has a transform that is not the identity transform; read the documentation on the frame property of UIView.
– omz
Jun 29 '12 at 12:33
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Where should I put tags in HTML markup?
...DOMContentLoaded", function() {
// this function runs when the DOM is ready, i.e. when the document has been parsed
document.getElementById("user-greeting").textContent = "Welcome back, Bart";
});
Because your browser does not know my-script.js isn't going to modify the document until it ...