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How do I convert a Ruby class name to a underscore-delimited symbol?
...ith a method called underscore that will allow you to transform CamelCased strings into underscore_separated strings. So you might be able to do this:
FooBar.name.underscore.to_sym
But you will have to install ActiveSupport just to do that, as ipsum says.
If you don't want to install ActiveSuppo...
How to get a subset of a javascript object's properties
... limitation is that a list of keys is predefined, they cannot be listed as strings, as the question mentions. Destructuring becomes more complicated if a key is non-alphanumeric, e.g. foo_bar.
The downside is that this requires to duplicate a list of keys, this results in verbose code in case a lis...
Semantic-ui vs Bootstrap [closed]
...ns of the top 5 browsers) With that in mind, it seems a wasted effort (and extra code) to support that far back.
– Nicholas Summers
Sep 18 '14 at 20:57
add a comment
...
find -exec a shell function in Linux?
...
@kdubs: Use $0 (unquoted) within the command-string and pass the filename as the first argument: -exec bash -c 'echo $0' '{}' \; Note that when using bash -c, $0 is the first argument, not the script name.
– sdenham
Dec 2 '19 at 17...
.NET data structures: ArrayList, List, HashTable, Dictionary, SortedList, SortedDictionary — Speed,
...e used with generics, so you can have a strongly typed array, e.g. List<string>. Other than that, acts very much like ArrayList
Hashtable - plain old hashtable. O(1) to O(n) worst case. Can enumerate the value and keys properties, and do key/val pairs
Dictionary - same as above only strongly t...
Find location of a removable SD card
...ound here.
CODE:
public class ExternalStorage {
public static final String SD_CARD = "sdCard";
public static final String EXTERNAL_SD_CARD = "externalSdCard";
/**
* @return True if the external storage is available. False otherwise.
*/
public static boolean isAvailable(...
C/C++头文件string与string.h的区别及Mac平台的特殊性 - C/C++ - 清泛网 - ...
C/C++头文件string与string.h的区别及Mac平台的特殊性c_string_hstrlen() 等函数需要string h头文件，不过MacOS下clang编译器比较特殊，必须string，可以用宏区分Mac平台。string.h（C语言头文件，提供字符数组相关C函数）
string.h是C语言里面...
How to spyOn a value property (rather than a method) with Jasmine
... link = getABC('creosote');
link += "&category=" + String(cat);
link += "&event_type=" + String(type);
link += "&event_value=" + String(val);
i1.src = link;
}
The spyOn() below causes the "n...
How to properly assert that an exception gets raised in pytest?
...
To get the exception message/value as a string in pytest 5.0.0, using str(excinfo.value) is required. It also works in pytest 4.x. In pytest 4.x, str(excinfo) also works, but does not work in pytest 5.0.0.
– Makyen♦
Jun 29 '...
How can I make a clickable link in an NSAttributedString?
...
Use NSMutableAttributedString.
NSMutableAttributedString * str = [[NSMutableAttributedString alloc] initWithString:@"Google"];
[str addAttribute: NSLinkAttributeName value: @"http://www.google.com" range: NSMakeRange(0, str.length)];
yourTextView...