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Why should casting be avoided? [closed]
...u do a conversion that could cause problems, the compiler won't warn you about those potential problems. Just for example, char a=(char)123456;. The exact result of this implementation defined (depends on the size and signedness of char), and except in rather strange situations, probably isn't usefu...
Benefit of using Parcelable instead of serializing object
...ndroid not using the
built-in Java serialization mechanism? It turns out that the
Android team came to the conclusion
that the serialization in Java is far too slow to satisfy Android’s
interprocess-communication
requirements. So the team built the Parcelable solution. The
...
How do I fix “for loop initial declaration used outside C99 mode” GCC error?
...
I'd try to declare i outside of the loop!
Good luck on solving 3n+1 :-)
Here's an example:
#include <stdio.h>
int main() {
int i;
/* for loop execution */
for (i = 10; i < 20; i++) {
printf("i: %d\n", i);
}
...
Reading large text files with streams in C#
I've got the lovely task of working out how to handle large files being loaded into our application's script editor (it's like VBA for our internal product for quick macros). Most files are about 300-400 KB which is fine loading. But when they go beyond 100 MB the process has a hard time (as you...
Eloquent Collection: Counting and Detect Empty
...ally returning (with help of get_class(...)). I highly recommend you check out the source code for the Collection class, it's pretty simple. Then check out the Query Builder and see the similarities in function names and find out when it actually hits the database.
Laravel 5.2 Collection Class
Lar...
Numpy first occurrence of value greater than existing value
...d is probably explained by the fact that argmax does not need to create an output list.
– DrV
Oct 8 '14 at 14:11
1
...
How do I parse JSON with Ruby on Rails? [duplicate]
...for this comment multi-json is actually being dumped. There are benchmarks out there that show multi-json is actually slower than the built in json gem and other implementation of json parsers out there.
– Leo Correa
Jun 9 '13 at 0:48
...
What does “all” stand for in a makefile?
...f targets. For example, to build a project you might need
Build file1.o out of file1.c
Build file2.o out of file2.c
Build file3.o out of file3.c
Build executable1 out of file1.o and file3.o
Build executable2 out of file2.o
If you implemented this workflow with makefile, you could make each of t...
Merge Images Side by Side(Horizontally)
...g you to adjust spacing between each image (-geometry), and the general layout (-tile).
montage [0-5].png -tile 5x1 -geometry +0+0 out.png
Other examples can be found on Montage Usage page
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Get keys from HashMap in Java
...erate over all the keys:
for ( String key : team1.keySet() ) {
System.out.println( key );
}
will print "foo" and "bar".
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