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Generating random number between 1 and 10 in Bash Shell Script [duplicate]
...
I get a syntax error: syntax error near unexpected token `+' on Linux
– Spaceghost
Aug 19 '13 at 17:57
40
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get size of json object
...If you execute the above statements, it will give you an error 'Unexpected token o in Json'. For calculating the length of json you can directly do var length= Object.keys(json).length.
– Aayushi
Jul 16 '17 at 18:03
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what is reverse() in Django
...gh POST request
User login post-validation
Reset password through JSON web tokens
Most of these involve some form of redirection, and a URL constructed through a set of parameters. Hope this adds to the already helpful thread of answers!
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Read whole ASCII file into C++ std::string [duplicate]
...lts.
Following KeithB's point in the comments, here's a way to do it that allocates all the memory up front (rather than relying on the string class's automatic reallocation):
#include <string>
#include <fstream>
#include <streambuf>
std::ifstream t("file.txt");
std::string str;...
capturing self strongly in this block is likely to lead to a retain cycle
...RING YOU TO RETAIN LOOP
}
};
and don't forget to do:
- (void)dealloc {
self.loadingCompletionHandler = NULL;
}
another issue can appear if you will pass weak copy of not retained by anybody object:
MyViewController *vcToGo = [[MyViewCOntroller alloc] init];
__weak MyViewController...
Set UIButton title UILabel font size programmatically
...he output in your xCode debugger.
Code:
NSArray *familyNames = [[NSArray alloc] initWithArray:[UIFont familyNames]];
NSArray *fontNames;
NSInteger indFamily, indFont;
for (indFamily=0; indFamily<[familyNames count]; ++indFamily)
{
NSLog(@"Family name: %@", [familyNames objectAtIndex:indFami...
How to extract the substring between two markers?
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If any of the tokens can't be found in the s, s.find will return -1. the slicing operator s[begin:end] will accept it as valid index, and return undesired substring.
– ribamar
Aug 28 '17 at 15:44
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Can I exclude some concrete urls from inside ?
... .
if (path.startsWith("/{servicename}/api/statistics/")) {
validatingAuthToken(((HttpServletRequest) request).getHeader("auth_token"));
filterChain.doFilter(request, response);
}
But its bizarre, that servlet doesn't support url pattern other than (/*), This should be a very common c...
Real escape string and PDO [duplicate]
...escape_string() with the PDO::quote() method.
Here is an excerpt from the PHP website:
<?php
$conn = new PDO('sqlite:/home/lynn/music.sql3');
/* Simple string */
$string = 'Nice';
print "Unquoted string: $string\n";
print "Quoted string: " . $conn->quote($string) . "\n";...
Python hashable dicts
...using itervalues will access the values directly and avoid the many memory allocator calls using by items to form new many key/value tuples in memory every time you do a lookup.
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