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The 'packages' element is not declared

... <xs:complexType> <xs:attribute name="id" type="xs:string" use="required" /> <xs:attribute name="version" type="xs:string" use="required" /> <xs:attribute name="targetFramework" type="xs:string" use="optional" /> <xs:attri...
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What is the best collation to use for MySQL with PHP? [closed]

...QL (most currently distributed versions) where functions always return the string using utf8_general_ci, causing problems if you're using another collation for your strings - see bugs.mysql.com/bug.php?id=24690 – El Yobo Feb 9 '11 at 10:49 ...
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Android View.getDrawingCache returns null, only null

...view that has width and height of 0 (i.e. imagine having a TextView with a string text of an empty string). In this case, getDrawingCache will return null, so just be sure to check for that. Hope that helps some people out there. ...
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Understanding repr( ) function in Python

repr() : evaluatable string representation of an object (can "eval()" it, meaning it is a string representation that evaluates to a Python object) ...
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Is it safe to parse a /proc/ file?

...ch as mine) implement the proc_read function with a single sprintf(). The extra complication in the core drivers implementation is to handle potentially very long output which may not fit in the intermediate, kernel-space buffer during a single read. I tested that with a program using a 64K read b...
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How to resolve merge conflicts in Git?

...ean up :wqa save and exit from vi git commit -m "message" git clean Remove extra files (e.g. *.orig) created by diff tool. share | improve this answer | follow ...
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How to create arguments for a Dapper query dynamically

...s(dictionary) to work, dictionary must be a IEnumerable<KeyValuePair<string, object>>, for instance Dictionary<string, object>. Dictionary<string,string> didn't work. – Zar Shardan Mar 26 '14 at 21:13 ...
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Show or hide element in React

... && false && 2; // will output false true && 'some string'; // will output 'some string' opened && <SomeElement />; // will output SomeElement if `opened` is true, will output false otherwise (and false will be ignored by react during rendering) // be careful wi...
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Check if application is installed - Android

... Try this: private boolean isPackageInstalled(String packageName, PackageManager packageManager) { try { packageManager.getPackageInfo(packageName, 0); return true; } catch (PackageManager.NameNotFoundException e) { return false; } } ...
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Capitalize first letter. MySQL

...= CONCAT(UCASE(LEFT(CompanyIndustry, 1)), SUBSTRING(CompanyIndustry, 2)); This would turn hello to Hello, wOrLd to WOrLd, BLABLA to BLABLA, etc. If you want to upper-case the first letter and lower-case the other, you just have to use LCASE function : UPDATE tb_Compa...