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PostgreSQL naming conventions

... Unless double-quoted: SQL identifiers and key words must begin with a letter (a-z, but also letters with diacritical marks and non-Latin letters) or an underscore (_). Subsequent characters in an identifier or key word can be letters, underscores, digits (0-9), or dollar signs ($). You must do...
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How to convert “camelCase” to “Camel Case”?

...String" into "This String" but the closest I’ve gotten is replacing a letter, resulting in something like "Thi String" or "This tring" . Any ideas? ...
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Remove all special characters except space from a string using JavaScript

...single regex. Assuming by special characters, you mean anything that's not letter, here is a solution: const str = "abc's test#s"; console.log(str.replace(/[^a-zA-Z ]/g, "")); share | im...
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Converting java.util.Properties to HashMap

...gt; map = (Map)props; This will convert a Map<Object, Object> to a raw Map, which is "ok" for the compiler (only warning). Once we have a raw Map it will cast to Map<String, String> which it also will be "ok" (another warning). You can ignore them with annotation @SuppressWarnings({ "u...
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Is std::vector so much slower than plain arrays?

... enough to optimize out all the C++ness and make STL containers as fast as raw arrays. The bottom line is that the compiler is unable to optimize away the no-op default constructor calls when using std::vector. If you use plain new[] it optimizes them away just fine. But not with std::vector. Even ...
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Count the number occurrences of a character in a string

... If you want the counts for a lot of the letters in a given string, Counter provides them all in a more succinct form. If you want the count for one letter from a lot of different strings, Counter provides no benefit. – Brenden Brown ...
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How to get a resource id with a known resource name?

I want to access a resource like a String or a Drawable by its name and not its int id. 10 Answers ...
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How to change Git log date formats

...ers are (from git help log): --date=(relative|local|default|iso|rfc|short|raw) Only takes effect for dates shown in human-readable format, such as when using "--pretty". log.date config variable sets a default value for log command’s --date option. --date=relative shows dates relative to ...
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“Inner exception” (with traceback) in Python?

... try: sock_common = xmlrpclib.ServerProxy(rpc_url+'/common') self.user_id = sock_common.login(self.dbname, username, self.pwd) except IOError: _, ex, traceback = sys.exc_info() message = "Connecting to '%s': %s." % (config['connection'], ex...
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simple HTTP server in Java using only Java SE API

...s like: Jetty, Apache Http Components, Netty and others to be more like a raw HTTP processing facilities. The labelling is very subjective, and depends on the kinds of thing you've been call-on to deliver for small-sites. I make this distinction in the spirit of the question, particularly the rema...