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How to determine the memory footprint (size) of a variable?

... not definate. It can depend apparently on the php version and possibly on 64/32 bit. share | improve this answer | follow | ...
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Hash Map in Python

... It's built-in for Python. See dictionaries. Based on your example: streetno = {"1": "Sachine Tendulkar", "2": "Dravid", "3": "Sehwag", "4": "Laxman", "5": "Kohli" } You could then access it like so: sachine = streetno...
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How to use wait and notify in Java without IllegalMonitorStateException?

...tiple multiplications simultaneously. That way you can optimise the work based on the number of cores, and you're using the higher level Java threading tools (which should make life easier). Write the results back into a receiving matrix, and then simply print this once all your Future tasks have ...
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How to install a specific version of a ruby gem?

... ruby | 1:1.9.3 | http://ftp.uk.debian.org/debian/ wheezy/main amd64 Packages ruby | 4.5 | http://ftp.uk.debian.org/debian/ squeeze/main amd64 Packages Then install it: $ sudo apt-get install ruby=1:1.9.3 To check what's the current version, run: $ gem --version # Check f...
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#pragma pack effect

...it on a 7 byte boundary will hurt performance. But putting it on a 16, 32, 64 or 4096 byte boundary buys you nothing above what the 8 byte boundary already gave you. You'll get the same performance from the CPU, while getting much worse cache utilization for the reasons outlined in that post. ...
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Displaying the Indian currency symbol on a website

...ot'); src: local('☺'), url(data:font/truetype;charset=utf-8;base64,AAEAAAANAIAAAwBQRkZUTVen5G0AAADcAAAAHEdERUYAQAAEAAAA+AAAACBPUy8yRQixzQAAARgAAABgY21hcGmyCE0AAAF4AAABamdhc3D//wADAAAC5AAAAAhnbHlmmuFTtAAAAuwAABAoaGVhZPOmAG0AABMUAAAANmhoZWELSAQOAAATTAAAACRobXR4KSwAAAAAE3AAAABMbG9jYUCgSL...
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What are naming conventions for MongoDB?

...asz NurkiewiczTomasz Nurkiewicz 301k6060 gold badges648648 silver badges639639 bronze badges 98 ...
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Android: ProgressDialog.show() crashes with getApplicationContext

...getApplicationContext()); dialog.show(); } }); Based on the previous answers that suggested the context was the wrong one, i changed the getApplicationContext() to retrieve the context from the View passed in to the buttons onClick method. myButton.setOnClickListener(new...
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AngularJS UI Router - change url without reloading state

... 164 +100 Simply ...
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PHP array_filter with arguments

...me, and is just as evil. Using it should be discouraged. The wacky class-based workaround given in the accepted answer is a better solution than using create_function() in this case. – Charles Mar 30 '11 at 17:43 ...