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How to merge a transparent png image with another image using PIL
I have a transparent png image "foo.png"
and I've opened another image with
7 Answers
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Wait for a process to finish
Is there any builtin feature in Bash to wait for a process to finish?
14 Answers
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How can I force a long string without any blank to be wrapped?
I have a long string (a DNA sequence). It does not contain any whitespace character.
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How can I check if a file exists in Perl?
...e code above will generate output if a plain file exists at that path, but it will also fire for a directory, a named pipe, a symlink, or a more exotic possibility. See the documentation for details.
Given the extension of .TGZ in your question, it seems that you expect a plain file rather than the...
How to sort Map values by key in Java?
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Short answer
Use a TreeMap. This is precisely what it's for.
If this map is passed to you and you cannot determine the type, then you can do the following:
SortedSet<String> keys = new TreeSet<>(map.keySet());
for (String key : keys) {
String value = map.g...
PHP PDO: charset, set names?
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You'll have it in your connection string like:
"mysql:host=$host;dbname=$db;charset=utf8"
HOWEVER, prior to PHP 5.3.6, the charset option was ignored. If you're running an older version of PHP, you must do it like this:
$dbh = new PD...
Print a file's last modified date in Bash
...print out all the files in a directory, but I need to print out the dates with it.
10 Answers
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How to fix java.lang.UnsupportedClassVersionError: Unsupported major.minor version
I am trying to use Notepad++ as my all-in-one tool edit, run, compile, etc.
51 Answers
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string.Join on a List or other type
I want to turn an array or list of ints into a comma delimited string, like this:
7 Answers
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What does T&& (double ampersand) mean in C++11?
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It declares an rvalue reference (standards proposal doc).
Here's an introduction to rvalue references.
Here's a fantastic in-depth look at rvalue references by one of Microsoft's standard library developers.
CAUTION: ...