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Difference between IsNullOrEmpty and IsNullOrWhiteSpace in C# [duplicate]
...acters such as a space or tab.
To see what characters count as whitespace consult this link:
http://msdn.microsoft.com/en-us/library/t809ektx.aspx
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What does preceding a string literal with “r” mean? [duplicate]
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The r means that the string is to be treated as a raw string, which means all escape codes will be ignored.
For an example:
'\n' will be treated as a newline character, while r'\n' will be treated as the characters \ followed by n.
When an 'r' or 'R' prefix is present,...
PHP array: count or sizeof?
...evelopers reading your code to say "sizeof(), what is that?" and having to consult the documentation.
I think it means sizeof() does not work like it does in C (calculating the size of a datatype). It probably made this mention explicitly because PHP is written in C, and provides a lot of identical...
Why is using onClick() in HTML a bad practice?
...write:
<button (click)="someAction()">Click Me</button>
In raw js/html the equivalent of this will be
<button onclick="someAction()">Click Me</button>
The difference is that in raw js onclick event is run in the global scope - but the frameworks provide encapsulation.
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Instance attribute attribute_name defined outside __init__
...llowing works for me to set the attribute ascii_txt...
def __init__(self, raw_file=None, fingerprint=None):
self.raw_file = raw_file
self.ascii_txt = self.convert_resume_to_ascii()
def convert_resume_to_ascii(self):
ret_val = self.raw_file.upper()
return ret_val
...
Android: textColor of disabled button in selector not showing?
...1OU5 if you look at the comments, both ways have been told to work. I just consulted documentation and color is correct folder for Color State List Resource Your edit is welcome.
– Adil Soomro
Nov 11 '15 at 23:30
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@RequestBody and @ResponseBody annotations in Spring
...Mapping the response body with the @ResponseBody annotation. I suggest you consult those sections. Also relevant: @RequestBody javadocs, @ResponseBody javadocs
Usage examples would be something like this:
Using a JavaScript-library like JQuery, you would post a JSON-Object like this:
{ "firstName...
How can javascript upload a blob?
...r.readAsDataURL(blob);
}
The contents of upload.php:
<?
// pull the raw binary data from the POST array
$data = substr($_POST['data'], strpos($_POST['data'], ",") + 1);
// decode it
$decodedData = base64_decode($data);
// print out the raw data,
echo ($decodedData);
$filename = "test.txt";
/...
Select Last Row in the Table
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This method is worse actually. You are fetching last raw using PHP execution instead of doing it as DB level. What if table has millions of raw, then you know how much inefficient it can be?
– Bhaskar Dabhi
Nov 23 '16 at 6:59
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IISExpress Log File Location
...mplete parent history. Otherwise even more related documentation has to be consulted. Thank you, George!
– Manfred
May 2 '18 at 2:47
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