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Overloaded method selection based on the parameter's real type
... String, Integer, Boolean, Long, etc. Given an array of Objects, I want to convert them into an array of my Parameter objects by calling the most-specific constructor for each Object in the input array. I also wanted to define the constructor Parameter(Object o) that would throw an IllegalArgumentEx...
Getting All Variables In Scope
...ion:
var f = function() {
var x = 0;
console.log(x);
};
You can convert your function to a string:
var s = f + '';
You will get source of function as a string
'function () {\nvar x = 0;\nconsole.log(x);\n}'
Now you can use a parser like esprima to parse function code and find local ...
Fast way to get image dimensions (not filesize)
...ng 20-60 KB read by "identify" for 5-335 MB images (I also tested against "convert" which showed all bytes being read). So it looks like "identify" is a good choice here (since it supports all popular formats and reads just the header).
– coderforlife
Feb 12 '1...
How to trim leading and trailing white spaces of a string?
...s.
(example: the string value of {"first_name":" I have whitespace "} will convert to "\" I have whitespace \"")
Before you can trim anything, you'll need to remove the extra quotes first:
playground example
// ScrubString is a string that might contain whitespace that needs scrubbing.
type ScrubStr...
How to check for Is not Null And Is not Empty string in SQL server?
...? You are wrong though. If there is a covering index on Col SQL Server can convert <> to two range seeks on <'' and >''
– Martin Smith
Jul 16 at 8:27
add a comment...
A Java collection of value pairs? (tuples?)
...wn"? That's terrible software engineering. Are the N^2 adapter classes to convert between MyPair and SomeoneElsesPair also considered easy enough to write on one's own?
– djechlin
Nov 1 '13 at 18:59
...
How to change the decimal separator of DecimalFormat from comma to dot/point?
I have this little crazy method that converts BigDecimal values into nice and readable Strings.
6 Answers
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How do I create directory if it doesn't exist to create a file?
...
var filePath = context.Server.MapPath(Convert.ToString(ConfigurationManager.AppSettings["ErrorLogFile"]));
var file = new FileInfo(filePath);
file.Directory.Create(); If the directory already exists, this method does nothing.
var sw = new StreamWriter(filePath...
Why would $_FILES be empty when uploading files to PHP?
...ES, not smart quotes pasted in from Word OR from a website blog (WordPress converts straight quotes to angle quotes!). If you have multiple forms on the page, make sure they both have this attribute. Type them in manually, or try straight single quotes typed in manually.
Make sure you do not have tw...
Get name of current script in Python
...
As mentioned in another answer to this question, Python scripts that were converted into stand-alone executable programs via tools such as py2exe or PyInstaller might not display the desired result when using this approach (i.e. sys.argv[0] would hold the name of the executable rather than the name...