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Spring RestTemplate - how to enable full debugging/logging of requests/responses?
... : {}", request.getHeaders() );
log.debug("Request body: {}", new String(body, "UTF-8"));
log.info("==========================request end================================================");
}
private void traceResponse(ClientHttpResponse response) throws IOException {
...
NullPointerException in Java with no StackTrace
...expect. The logger API actually takes Object as the first argument, not a string - and then it calls toString() on the argument. So instead of getting the nice pretty stack trace, it just prints out the toString - which in the case of NPE is pretty useless.
Perhaps this is what you're experiencin...
Uses of Action delegate in C# [closed]
...s.Generic;
class Program
{
static void Main()
{
Action<String> print = new Action<String>(Program.Print);
List<String> names = new List<String> { "andrew", "nicole" };
names.ForEach(print);
Console.Read();
}
static void Pri...
UnicodeDecodeError: 'utf8' codec can't decode byte 0xa5 in position 0: invalid start byte
...t be encoded/decoded. One simple way to avoid this error is to encode such strings with encode() function as follows (if a is the string with non-ascii character):
a.encode('utf-8').strip()
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Extracting specific columns in numpy array
This is an easy question but say I have an MxN matrix. All I want to do is extract specific columns and store them in another numpy array but I get invalid syntax errors.
Here is the code:
...
How to make a div with no content have a width?
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Use min-height: 1px; Everything has at least min-height of 1px so no extra space is taken up with nbsp or padding, or being forced to know the height first.
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How to count the number of files in a directory using Python
...mport os
onlyfiles = next(os.walk(dir))[2] #dir is your directory path as string
print len(onlyfiles)
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Reading a plain text file in Java
...ad this wonderful (yet free) book called Thinking In Java
In Java 7:
new String(Files.readAllBytes(...))
(docs)
or
Files.readAllLines(...)
(docs)
In Java 8:
Files.lines(..).forEach(...)
(docs)
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Why is “import *” bad?
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How about inside a doctest string? Does the import * get interpreted inside a "sandbox" in this case? Thanks.
– PatrickT
May 13 at 9:18
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Regex to check whether a string contains only numbers [duplicate]
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@vsync, because \d in a single quoted string is the letter 'd'. Try running '/^\d+$/' === '/^d+$/' in your JavaScript console. You need to double-escape when embedding a RegExp in a string: eval('/^\\d+$/')
– Mike Samuel
O...