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A JRE or JDK must be available in order to run Eclipse. No JVM was found after searching the followi

...lem and the issue was that I had a 32 bit version of Eclipse running on my 64 bit machine and it wanted the 32 bit version of JRE. I changed Program Files to Program Files (x86) in the eclipse.ini file like so: -VM C:Program Files (x86)\Java\jre6\bin and that solved the problem. You may want t...
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How to Compare Flags in C#?

...tType(), this.GetType())); } ulong uFlag = ToUInt64(flag.GetValue()); ulong uThis = ToUInt64(GetValue()); // test predicate return ((uThis & uFlag) == uFlag); } share | ...
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How to find out what type of a Mat object is with Mat::type() in OpenCV

...e CV_32S: r = "32S"; break; case CV_32F: r = "32F"; break; case CV_64F: r = "64F"; break; default: r = "User"; break; } r += "C"; r += (chans+'0'); return r; } If M is a var of type Mat you can call it like so: string ty = type2str( M.type() ); printf("Matrix: %s %dx%d ...
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Meaning of = delete after function declaration

... class in a hierarchy is typically a disaster: given only a pointer to a base, we simply don’t know what members the derived class has, so we can’t know how to copy them. So, the best thing to do is usually to delete the default copy and move operations, that is, to eliminate the default...
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How many random elements before MD5 produces collisions?

...n separate directories. I use this to store user files in separate folders based on their user ID in S3. For example: "mybucket/users/1234/somefile.jpg". It's not exactly the same as a directory in a file system, but the S3 API has some features that let it work almost the same. I can ask it to li...
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How to identify numpy types in python?

...rtabarnert 297k3232 gold badges472472 silver badges564564 bronze badges ...
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user authentication libraries for node.js?

...ucceeds or fails. For example, here is the two-step process to setup form-based (username and password) authentication: passport.use(new LocalStrategy( function(username, password, done) { // Find the user from your DB (MongoDB, CouchDB, other...) User.findOne({ username: username, passw...
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Random alpha-numeric string in JavaScript? [duplicate]

...'#A!')); Fiddle: http://jsfiddle.net/wSQBx/2/ Alternatively, to use the base36 method as described below you could do something like this: function randomString(length) { return Math.round((Math.pow(36, length + 1) - Math.random() * Math.pow(36, length))).toString(36).slice(1); } ...
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Which version of Python do I have installed?

... -v command, since it tells architecture of the installed python (32bit or 64bit) – Abouzar Nouri Jan 10 '17 at 12:28 1 ...
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Array.Copy vs Buffer.BlockCopy

... Since the parameters to Buffer.BlockCopy are byte-based rather than index-based, you're more likely to screw up your code than if you use Array.Copy, so I would only use Buffer.BlockCopy in a performance-critical section of my code. ...