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Repeat Character N Times
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These days, the repeat string method is implemented almost everywhere. (It is not in Internet Explorer.) So unless you need to support older browsers, you can simply write:
"a".repeat(10)
Before repeat, we used this hack:
Array(11).join("a") //...
Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?
...SDictionary *r3 = @{@"bool" : @((BOOL)true)};
Then we convert it to JSON string before sending as
NSData *data = [NSJSONSerialization dataWithJSONObject:requestParams options:0 error:nil];
NSString *jsonString = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
The result is
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How to do ssh with a timeout in a script?
I'm executing a script connecting via password-less SSH on a remote host. I want to set a timeout, so that if the remote host is taking an infinite time to run, I want to come out of that ssh session and continue other lines in my sh script.
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Is the sizeof(some pointer) always equal to four?
For example:
sizeof(char*) returns 4. As does int* , long long* , everything that I've tried. Are there any exceptions to this?
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How to find a text inside SQL Server procedures / triggers?
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Update the linked server. Instead of using a linked server named with its IP address, create a new linked server with the name of the resource such as Finance or DataLinkProd or some such. Then when you need to change which server is reached, update the linked server to point to the new server (or ...
PHP: Convert any string to UTF-8 without knowing the original character set, or at least try
...t mb_detect_encoding source code in your php distro (somewhere here: ext/mbstring/libmbfl/mbfl/mbfl_ident.c). This function does not work properly at all. For some encodings it even has "return true", lol. Others are in Ctrl+c Ctrl+v functions. That's because you can not detect encoding without some...
Using port number in Windows host file
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@basher U still can script it at Fiddler's Rules.js for sure. Hosts functionallity on Fiddler is NOT the Windows hosts files, it's a recreation of that names to make them easy to work with. Is like the Autoresponders, are just a subset of what you ...
How can I convert String to Int?
...lse, but for noobish people what 'out x' does is set the value of x to the string-cast-as-integer, if the casting is successful. I.e. in this case, x = 0 if the string has any non-integer characters, or x = value of string-as-integer otherwise. So the neat thing is this is one short expression which...
How do I remove an item from a stl vector with a certain value?
...which can be passed to container_type::erase to do the REAL removal of the extra elements that are now at the end of the container:
std::vector<int> vec;
// .. put in some values ..
int int_to_remove = n;
vec.erase(std::remove(vec.begin(), vec.end(), int_to_remove), vec.end());
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sed or awk: delete n lines following a pattern
.../,$d' out.txt but it gives error saying : sed: -e expression #1, char 24: extra characters after command Thanks in advance.
– N mol
Aug 24 '13 at 2:37
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