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How to get device make and model on iOS?
...de objectForKey:code];
if (!deviceName) {
// Not found on database. At least guess main device type from string contents:
if ([code rangeOfString:@"iPod"].location != NSNotFound) {
deviceName = @"iPod Touch";
}
else if([code rangeOfString:@"iPad"].lo...
How do I measure execution time of a command on the Windows command line?
... [-m mask] [commandline...]
where: -f specifies the name of the database file where TIMEIT
keeps a history of previous timings. Default is .\timeit.dat
-k specifies the keyname to use for this timing run
-r specifies the keyname to remove from the...
Config Error: This configuration section cannot be used at this path
... loaded up fine in my browser.
Warning:
Editing applicationHost.config on 64-bit Windows
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Reading a file line by line in Go
...s
}
return s[:length]
}
I tested on:
go version go1.15 darwin/amd64
go version go1.7 windows/amd64
go version go1.6.3 linux/amd64
go version go1.7.4 darwin/amd64
The test program outputs:
Long lines
readFileWithReadString
> Read 4194305 characters
> > aaaaaaaaaaaaaaaaaaaaaaaaa...
An efficient way to transpose a file in Bash
....stdin.readlines() if l.strip()))))" < input > output
The above is based on the following:
import sys
for c in zip(*(l.split() for l in sys.stdin.readlines() if l.strip())):
print(' '.join(c))
This code does assume that every line has the same number of columns (no padding is perform...
How to sum up elements of a C++ vector?
... vector.end(), [&] (int n) {
sum_of_elems += n;
});
Using a range-based for loop (thanks to Roger Pate):
for (auto& n : vector)
sum_of_elems += n;
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How do I change the color of radio buttons?
...
Only if you are targeting webkit-based browsers (Chrome and Safari, maybe you are developing a Chrome WebApp, who knows...), you can use the following:
input[type='radio'] {
-webkit-appearance: none;
}
And then style it as if it were a simple HTML elem...
What is the difference between the kernel space and the user space?
...nerates an interrupt such as int 0x80 or syscall to signal the kernel. x86-64 Linux syscall hello world example:
.data
hello_world:
.ascii "hello world\n"
hello_world_len = . - hello_world
.text
.global _start
_start:
/* write */
mov $1, %rax
mov $1, %rdi
mov $hello_world, %...
gdb: how to print the current line or find the current line number?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How can you check which options vim was compiled with?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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