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How to prevent browser to invoke basic auth popup and handle 401 error using Jquery?
... xhr.setRequestHeader('Authorization', ("Basic "
.concat(btoa(key))));
xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
},
share
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Concept of void pointer in C programming
...l incorrectly, you can safely dereference a void* in two ways. Casting to char* is always acceptable, and if you know the original type it points to you can cast to that type. The void* has lost the type info so it'd have to be stored elsewhere.
– Dan Olson
M...
How to remove last n characters from every element in the R vector
..., and I could not find a simple example online of how to remove the last n characters from every element of a vector (array?)
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MySQL一次主从数据不一致的问题解决过程 - 数据库(内核) - 清泛网 - 专注C/...
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CREATE TABLE IF NOT EXISTS `radius`.`checksums` ( db CHAR(64) NOT NULL, tbl CHAR(64) NOT NULL, chunk INT NOT NULL, chunk_time FLOAT NULL, chunk_index VARCHAR(200) NULL, lower_boundary TEXT ...
Method Syntax in Objective-C
...ersonData) for setting some information about person:
void setPersonData( char* name, int age, float height ) {
and in Objective-C the method would be more descriptive (setPersonName:andAge:andHeight:), like
- (void) setPersonName: (char *)name andAge:(int)age andHeight:(float)height {
...
Is Python strongly typed?
...g access to the underlying representation. In C, I can create a pointer to characters, then tell the compiler I want to use it as a pointer to integers:
char sz[] = "abcdefg";
int *i = (int *)sz;
On a little-endian platform with 32-bit integers, this makes i into an array of the numbers 0x6463626...
How do you copy a record in a SQL table but swap out the unique id of the new row?
... 0, LEN(@columnsToCopyValues))
print @columnsToCopyValues
Select @query = CONCAT('insert into YourTableName (',@columnsToCopyValues,', Column1, Column2) select ', @columnsToCopyValues, ',''Value1'',''Value2'',', ' from YourTableName where IndentityColumn =''' , @searchVariable,'''')
print @query
e...
How can I safely encode a string in Java to use as a filename?
...If collisions must be avoided, then simple replacement or removal of "bad" characters is not the answer either.
Instead you want something like this. (Note: this should be treated as an illustrative example, not something to copy and paste.)
char fileSep = '/'; // ... or do this portably.
char es...
Most efficient T-SQL way to pad a varchar on the left to a certain length?
...ng like
right('XXXXXXXXXXXX'+ rtrim(@str), @n)
where X is your padding character and @n is the number of characters in the resulting string (assuming you need the padding because you are dealing with a fixed length).
But as I said you should really avoid doing this in your database.
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Clojure: reduce vs. apply
...more vague and thus can only be optimized on a case-by-case basis. str and concat are the two prevalent exceptons.
– cgrand
Aug 22 '13 at 9:41
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