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Convert a JSON String to a HashMap
...ublic static Map<String, Object> jsonToMap(JSONObject json) throws JSONException {
Map<String, Object> retMap = new HashMap<String, Object>();
if(json != JSONObject.NULL) {
retMap = toMap(json);
}
return retMap;
}
public static Map<String, Object> to...
How to load assemblies in PowerShell?
...telligent algorithm to choose between them.
You are going to get whichever one appears in their table, probably
the older, outdated one.
If the versions you have installed are all newer than the obsolete one
in the table, your script will fail.
Add-Type has no intelligent parser of "partial names" l...
How do I create delegates in Objective-C?
... that has been assigned to the delegate property another object. To create one, you define a class that implements the delegate methods you're interested in, and mark that class as implementing the delegate protocol.
For example, suppose you have a UIWebView. If you'd like to implement its delegate...
Difference between float and decimal data type
...umbers. Decimal is an good type for most business math (but any built-in "money" type is more appropriate for financial calculations), where the range of values exceeds that provided by integer types, and fractional values are needed. Decimals, as the name implies, are designed for base-10 numbers -...
How to get domain URL and application name?
...ling HttpServletrequest#getContextPath() (and thus NOT getServletPath() as one suggested before). You can retrieve this in JSP by ${pageContext.request.contextPath}.
<p>The context path is: ${pageContext.request.contextPath}.</p>
If you intend to use this for all relative paths in yo...
Using C# to check if string contains a string in string array
...stringToCheck.Contains(s))) */
This checks if stringToCheck contains any one of substrings from stringArray. If you want to ensure that it contains all the substrings, change Any to All:
if(stringArray.All(stringToCheck.Contains))
...
R command for setting working directory to source file location in Rstudio
...me. So changing the working directory to that of the current file can be done with:
setwd(getSrcDirectory()[1])
This does not work in RStudio if you Run the code rather than Sourceing it. For that, you need to use rstudioapi::getActiveDocumentContext.
setwd(dirname(rstudioapi::getActiveDocumen...
What is the “double tilde” (~~) operator in JavaScript? [duplicate]
...that you need to use it a lot before it's noticable. In a functon like the one in the OP it's just micro optimisation, and only makes the code harder to follow.
– Guffa
May 11 '11 at 23:51
...
C# equivalent of the IsNull() function in SQL Server
... of places refer to this as the ternary operator. There happens to only be one ternary operator at the moment, but that's a property of it, not its name. It's really the conditional operator. If C# ever gains another ternary operator, there'll be a lot of confusing books.
– Jon...
log all sql queries
...
Oh, and one more thing to in django test runner ignores settings and overrides DEBUG to False, so in test you must @override_settings(DEBUG=True)
– Janusz Skonieczny
Oct 19 '17 at 15:14
...