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Is there a Subversion command to reset the working copy?

Is there a single Subversion command that would “reset” a working copy exactly to the state that’s stored in the repository? Something like git reset --hard or (ha, hard Git reset does not remove unversioned files either!) rm -rf wc && svn co <url> wc . ...
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What is a void pointer in C++? [duplicate]

...ollowing: It is dealing in unformatted memory. This is what operator new and malloc return: a pointer to a block of memory of a certain size. Since the memory does not have a type (because it does not have a properly constructed object in it yet), it is typeless. IE: void. It is an opaque handle; ...
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git rebase without changing commit timestamps

...-committer-date-is-author-date option seems to leave the author timestamp, and set the committer timestamp to be the same as the original author timestamp, which is what the OP Olivier Verdier wanted. I found the last commit with the correct date and did: git rebase --committer-date-is-author-dat...
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Convert array of strings into a string in Java

...arr) { builder.append(s); } String str = builder.toString(); (Java 8 and above): String str = String.join(",", arr); And if you're coming from the Android angle: String str = TextUtils.join(",", arr); You can modify the above depending on what characters, if any, you want in between stri...
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handlerbars.js check if list is empty

Is there a way in Handlebars.js templating to check if the collection or list is null or empty, before going and iterating through the list/collection? ...
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H2 in-memory database. Table not found

... And it has to be a named in-memory database, i.e. jdbc:h2:mem:;DB_CLOSE_DELAY=-1 does not work. – Peter Becker Jul 1 '14 at 0:23 ...
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What are best practices for using SmtpClient, SendAsync and Dispose under .NET 4.0

...en before await was available. This is a traditional callback using event handlers. await should be used if using the newer SendMailAsync. – TheCodeKing Jan 10 '15 at 11:05 ...
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String replacement in Objective-C

... I thought the point of having NSString and an NSMutableString subclass was because an instance of NSString is unchangeable. While--like any sane person, I'd rather have ducks than strings any day--the fact that you just overwrote the contents of str just blew my m...
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Extract a substring from a string in Ruby using a regular expression

...which, for each <item> in String1 contains the text between the < and the > in a one-element array (because when used with a regex containing capturing groups, scan creates an array containing the captures for each match). last gives you the last of those arrays and first then gives you ...
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PHP json_decode() returns NULL with valid JSON?

... I've been using the special characters since I started the application and there were no problems before. Locally, the JSON decoding works perfectly. On my server, it doesn't. And I can't call json_last_error() because it's PHP 5.2.9. That function appears on PHP 5.3.0. – J...