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Functions that return a function

... to the function, which can be assigned as you've done with var s = a(). s now contains a reference to the function b(), and calling s() is functionally equivalent to calling b(). // Return a reference to the function b(). // In your example, the reference is assigned to var s return b; Calling t...
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How do I create a copy of an object in PHP?

..._clone() { $this->someObject = clone $this->someObject; } } Now you can do cloning: $bar = new MyClass(); $foo = clone $bar; share | improve this answer | fo...
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How to duplicate object properties in another object?

...le: Object.assign(secondObject, firstObject); That's it! Support right now is obviously poor; only Firefox (34+) supports it out-of-the-box, while Chrome (45+) and Opera (32+) require the 'experimental flag' to be set. Support is improving, with the lastest versions of Chrome, Firefox, Opera, S...
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UIButton custom font vertical alignment

...s unpack the OS X Font Tools.pkg with ~$ xar -xf OS\ X\ Font\ Tools.pkg Now navigate into the folder fontTools.pkg with ~$ cd fontTools.pkg/ Extract payload with ~$ cat Payload | gunzip -dc | cpio -i Now the ftxdumperfuser binary is in your current folder. You could move it to /usr/local/b...
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How to compare type of an object in Python?

...ou can always use the type(x) == type(y) trick, where y is something with known type. # check if x is a regular string type(x) == type('') # check if x is an integer type(x) == type(1) # check if x is a NoneType type(x) == type(None) Often there are better ways of doing that, particularly with an...
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What optimizations can GHC be expected to perform reliably?

GHC has a lot of optimizations that it can perform, but I don't know what they all are, nor how likely they are to be performed and under what circumstances. ...
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Google Maps API v3: Can I setZoom after fitBounds?

...etting the zoom... I'm still wondering why this step is needed, but anyway now it works... thanks a lot Jim! – daveoncode Nov 14 '11 at 10:26 ...
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Several ports (8005, 8080, 8009) required by Tomcat Server at localhost are already in use

...ch is using about 400 MB or more RAM will also solve the problem. It is unknowingly reserving the process. – viper Jun 10 '16 at 7:00  |  show...
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Images can't contain alpha channels or transparencies

... inexplicable reason, when I do this it cuts the dimensions in half and is now "wrong size" for iTC! WTF Apple??? – mharper Dec 19 '14 at 23:53 14 ...
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Disable password authentication for SSH [closed]

...n yes to ChallengeResponseAuthentication no PasswordAuthentication no Now generate the RSA key: ssh-keygen -t rsa -P '' -f ~/.ssh/id_rsa (For me an RSA key worked. A DSA key did not work.) A private key will be generated in ~/.ssh/id_rsa along with ~/.ssh/id_rsa.pub (public key). Now move ...