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Freeze the top row for an html table only (Fixed Table Header Scrolling) [duplicate]

...CT pixel widths because tables are so cute in that different browsers will allocate pixels differently based on calculations and you simply CANNOT (AFAIK) guarantee that the distribution will be perfect in all cases. It becomes glaringly obvious if you have borders within your table. I took a diffe...
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How can I iterate over an enum?

... Except now you've actually allocated memory when an enum, provided it is zero-indexed and strictly continous, can do that task without allocating memory. – Cloud Jan 17 '14 at 23:02 ...
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How to view the assembly behind the code using Visual C++?

...umptions about the string it's processing (and ignores max-length safety / allocation by using a big buffer) on the result of GetModuleFileNameA would be much less total machine code.) IDK why, but cout << p.string() << endl only shows the basename (i.e. the filename, without the direct...
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UIButton inside a view that has a UITapGestureRecognizer

...strure UITapGestureRecognizer *tapGestRecog = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(screenTappedOnce)]; [tapGestRecog setNumberOfTapsRequired:1]; [self.view addGestureRecognizer:tapGestRecog]; // This line is very important. if You don't add it then your ...
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How to throw an exception in C?

...r.c #include <stdlib.h> #include <stdint.h> extern void *__cxa_allocate_exception(size_t thrown_size); extern void __cxa_throw (void *thrown_exception, void* *tinfo, void (*dest) (void *) ); extern void * _ZTIl; // typeinfo of long int bar1() { int64_t * p = (int64_t*)__cxa_allocate_e...
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How to get pixel data from a UIImage (Cocoa Touch) or CGImage (Core Graphics)?

...olorSpaceCreateDeviceRGB(); unsigned char *rawData = (unsigned char*) calloc(height * width * 4, sizeof(unsigned char)); NSUInteger bytesPerPixel = 4; NSUInteger bytesPerRow = bytesPerPixel * width; NSUInteger bitsPerComponent = 8; CGContextRef context = CGBitmapContextCreate(raw...
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How to get execution time in rails console?

...u already see during requests. Sample: [METRICS] Completed in 908.3ms | Allocations: 2894 | ActiveRecord: 0.9ms (queries: 13) share | improve this answer | follow ...
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How to read from standard input in the console?

..."Text returns the most recent token generated by a call to Scan as a newly allocated string holding its bytes." which exactly answers your question. golang.org/pkg/bufio/#Scanner.Text – Naren Yellavula Jul 21 at 7:55 ...
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Building big, immutable objects without using constructors having long parameter lists

...ore instances than necessary - isn't really that much of a problem. Object allocation is very cheap, as is garbage collection of short-lived objects. When escape analysis is enabled by default, this kind of "intermediate objects" are likely to be stack allocated and cost literally nothing to create....
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Rails migration for has_and_belongs_to_many join table

...he table gets really big then you may want to be able to save space by not allocating another id for each relationship. – docwhat Jun 5 '11 at 3:39 2 ...