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How to delete a file via PHP?

... Check your permissions first of all on the file, to make sure you can a) see it from your script, and b) are able to delete it. You can also use a path calculated from the directory you're currently running the script in, eg: unlink(dirname(__FILE__) . "/...
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What would cause an algorithm to have O(log n) complexity?

...er dividing n in half i times we'll have a value that is at most 1. The smallest i for which this is guaranteed is roughly log2 n, so if we have an algorithm that divides by 2 until the number gets sufficiently small, then we can say that it terminates in O(log n) steps. An important detail is tha...
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How to create a trie in Python

... Unwind is essentially correct that there are many different ways to implement a trie; and for a large, scalable trie, nested dictionaries might become cumbersome -- or at least space inefficient. But since you're just getting started, I think...
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Golang production web application configuration

... Emperor_EarthEmperor_Earth 6111 silver badge33 bronze badges add a comment ...
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How to prepend a string to a column value in MySQL?

I need a SQL update statement for updating a particular field of all the rows with a string "test" to be added in the front of the existing value. ...
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Specify JDK for Maven to use

....xml but I don't have a settings.xml . Plus, I don't want to use 1.6 for all maven builds. 14 Answers ...
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How can I discover the “path” of an embedded resource?

... This will get you a string array of all the resources: System.Reflection.Assembly.GetExecutingAssembly().GetManifestResourceNames(); share | improve this ans...
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How do I write JSON data to a file?

... codecs.getwriter('utf-8')(f), ensure_ascii=False) The codecs.getwriter call is redundant in Python 3 but required for Python 2 Readability and size: The use of ensure_ascii=False gives better readability and smaller size: >>> json.dumps({'price': '€10'}) '{"price": "\\u20ac10"}' &...
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WPF ToolBar: how to remove grip and overflow

...right. they are both grayed out, but we'd like them to not be displayed at all. 6 Answers ...
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reStructuredText tool support

...fan of reStructuredText , however the tools that support it are scattered all over the Internet. The official tool list is incomplete and/or outdated, and can be updated only via commit privileges. For some time there was a comprehensive list at the Wikipedia reStructuredText page , but this app...