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What is the difference between statically typed and dynamically typed languages?
..., with the following error:
invalid operation: "3" + 5 (mismatched types string and int)
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fatal error: malformed or corrupted AST file - Xcode
... Thanks man, this worked. But can you please explain what is all this about_ I like to know why something happens, when it does. And I just had this error when I opened my project the next day, out of the blue.
– SteBra
Jul 23 '14 at 8:27
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How do I run Asynchronous callbacks in Playground
...of NSURLConnection):
import UIKit
import PlaygroundSupport
let url = URL(string: "http://stackoverflow.com")!
URLSession.shared.dataTask(with: url) { data, response, error in
guard let data = data, error == nil else {
print(error ?? "Unknown error")
return
}
let conte...
Pandas: Setting no. of max rows
...y sets the options inside of a block of code. Pass in the option name as a string followed by the value you want it to be. You may pass in any number of options in the same line:
with pd.option_context('display.max_rows', 100, 'display.max_columns', 10):
some pandas stuff
You can also reset a...
How to suppress Update Links warning?
...ldcards in the InputFolder:
Sub WorkbookOpening2007()
Dim InputFolder As String
Dim LoopFileNameExt As String
InputFolder = "D:\DOCUMENTS\" 'Trailing "\" is required!
LoopFileNameExt = Dir(InputFolder & "*.xls?")
Do While LoopFileNameExt <> ""
Application.DisplayAlerts = False
Applica...
SQL: How to perform string does not equal
...here tester <> 'username' or tester is null
If you are looking for strings that do not contain the word "username" as a substring, then like can be used:
where tester not like '%username%'
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How to post JSON to a server using C#?
... streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))
{
string json = "{\"user\":\"test\"," +
"\"password\":\"bla\"}";
streamWriter.Write(json);
}
var httpResponse = (HttpWebResponse)httpWebRequest.GetResponse();
using (var streamReader = new StreamReader(h...
any tool for java object to object mapping? [closed]
...re:
Commons-BeanUtils: ConvertUtils -> Utility methods for converting String scalar values to objects of the specified Class, String arrays to arrays of the specified Class.
Commons-Lang: ArrayUtils -> Operations on arrays, primitive arrays (like int[]) and primitive wrapper arrays (like In...
Shell script - remove first and last quote (") from a variable
...pet of a shell script from a larger script. It removes the quotes from the string that is held by a variable. I am doing it using sed, but is it efficient? If not, then what is the efficient way?
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Select Last Row in the Table
...derBy(id', 'desc')->first(); Order by date works longer because date is string and most likely not indexed. While primary key is indexed and works super fast. Even if created_at indexed, it is indexed string and not INT in case of primary. Index string has less performance.
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