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Save bitmap to location

...my image in canvas it is very small. any reason? – AZ_ Mar 18 '11 at 13:24 3 @Aizaz This will not...
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How do I write JSON data to a file?

...a is a dictionary and not yet JSON-encoded. Write it like this for maximum compatibility (Python 2 and 3): import json with open('data.json', 'w') as f: json.dump(data, f) On a modern system (i.e. Python 3 and UTF-8 support), you can write a nicer file with import json with open('data.json',...
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How can I search (case-insensitive) in a column using LIKE wildcard?

... SELECT * FROM trees WHERE trees.`title` COLLATE UTF8_GENERAL_CI LIKE '%elm%' Actually, if you add COLLATE UTF8_GENERAL_CI to your column's definition, you can just omit all these tricks: it will work automatically. ALTER TABLE trees MODIFY COLUMN title VARCHAR(…) CHARA...
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Inversion of Control vs Dependency Injection

...lic void SendConfirmationMsg(string mobileNumber) { SMSService _SMSService = new SMSService(); _SMSService.SendSMS(mobileNumber, "Your order has been shipped successfully!"); } } Above implementation is not wrong but there are few issues: -) Suppose On development environm...
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JavaScript closure inside loops – simple practical example

...so your code would work as you expect. There are many resources, but I'd recommend 2ality's block-scoping post as a great source of information. for (let i = 0; i < 3; i++) { funcs[i] = function() { console.log("My value: " + i); }; } Beware, though, that IE9-IE11 and Edge prior to Edge ...
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Eclipse - no Java (JRE) / (JDK) … no virtual machine

I am trying to get Eclipse v3.5 (Galileo) to re-run on my computer - I have run it before with no problems, but now I keep getting this error: ...
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Context switches much slower in new linux kernels

...erformance problem in recent kernels has to do with the switch to the intel_idle cpuidle driver from acpi_idle, the driver used in older kernels. Sadly, the intel_idle driver ignores the user's BIOS configuration for the C-states and dances to its own tune. In other words, even if you completely dis...
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What's the maximum value for an int in PHP?

... Ah I found it: 232 - 1 (2147483647) http://au2.php.net/int Integer overflow If PHP encounters a number beyond the bounds of the integer type, it will be interpreted as a float instead. Also, an operation which results in a number beyond the bounds of the integ...
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Shall we always use [unowned self] inside closure in Swift

... to understand unowned self. A reason to use weakSelf simply being 'self becomes an optional', is not enough for me. Why would I specifically want to use 'unowned self' stackoverflow.com/questions/32936264/… – user1951992 Oct 5 '15 at 13:41 ...
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How to implement a queue using two stacks?

... The worst-case time complexity is still O(n). I persist in saying this because I hope no students out there (this sounds like a homework/educational question) think this is an acceptable way to implement a queue. – Tyler ...