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Interface/enum listing standard mime-type constants

... It's a pity there are no String constants defined in com.google.common.net.MediaType, as MediaType.toString()isn't a compile time constant and therefore not usable in annotations – Markus Pscheidt Mar 18 '15 at ...
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How to check if a json key exists?

...p://developer.android.com/reference/org/json/JSONObject.html#has(java.lang.String) Returns true if this object has a mapping for name. The mapping may be NULL. share | improve this answer ...
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Save all files in Visual Studio project as UTF-8

...w DirectoryInfo(@"...").GetFiles("*.cs", SearchOption.AllDirectories)) { string s = File.ReadAllText(f.FullName); File.WriteAllText (f.FullName, s, Encoding.UTF8); } Only three lines of code! I'm sure you can write this in less than a minute :-) ...
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New Line on PHP CLI

...double quotes, not single quotes. http://php.net/manual/en/language.types.string.php share | improve this answer | follow | ...
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How do I read all classes from a Java package in the classpath?

... are annotated with XmlRootElement: private List<Class> findMyTypes(String basePackage) throws IOException, ClassNotFoundException { ResourcePatternResolver resourcePatternResolver = new PathMatchingResourcePatternResolver(); MetadataReaderFactory metadataReaderFactory = new CachingMe...
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How to find nth occurrence of character in a string?

... If your project already depends on Apache Commons you can use StringUtils.ordinalIndexOf, otherwise, here's an implementation: public static int ordinalIndexOf(String str, String substr, int n) { int pos = str.indexOf(substr); while (--n > 0 && pos != -1) pos...
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Casting vs using the 'as' keyword in the CLR

...n = 0; foreach (object o in values) { if (o is string) { string a = (string) o; len += a.Length; } } sw.Stop(); Console.WriteLine("Is and Cast: {0} : {1}", len, (long...
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How to format strings using printf() to get equal length in the output?

... You can specify width on string fields, e.g. printf("%-20s", "initialization..."); and then whatever's printed with that field will be blank-padded to the width you indicate. The - left-justifies your text in that field. ...
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Convert to binary and keep leading zeros in Python

...most compact and direct option. If you are putting the result in a larger string, use an formatted string literal (3.6+) or use str.format() and put the second argument for the format() function after the colon of the placeholder {:..}: >>> value = 14 >>> f'The produced output, i...
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How do I put variables inside javascript strings?

... accepted answer... though preferably it would also mention ES6's template strings (which admittedly didn't exist in 2011). We really should be able to wiki-hijack old questions to keep them updated. :\ – Kyle Baker Jun 21 '16 at 16:03 ...