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Reading from text file until EOF repeats last line [duplicate]
...checking process. Consider the empty file will not initially have its EOF set until the first read. The prime read will catch the EOF in this instance and properly skip the loop completely.
What you need to remember here is that you don't get the EOF until the first attempt to read past the avail...
IF… OR IF… in a windows batch file
...FINED as a final test - no need to use delayed expansion.
FOR ..... DO (
set "TRUE="
IF cond1 set TRUE=1
IF cond2 set TRUE=1
IF defined TRUE (
...
) else (
...
)
)
You could add the ELSE IF logic that arasmussen uses on the grounds that it might perform a wee bit faster if the 1...
Fix warning “Capturing [an object] strongly in this block is likely to lead to a retain cycle” in AR
...:
My understanding of the documentation says that using keyword block and setting the variable to nil after using it inside the block should be ok, but it still shows the warning.
__block ASIHTTPRequest *request = [[ASIHTTPRequest alloc] initWithURL:...
[request setCompletionBlock:^{
NSDictio...
How to get the first element of an array?
How do you get the first element from an array like this:
31 Answers
31
...
Is there a way to create xxhdpi, xhdpi, hdpi, mdpi and ldpi drawables from a large scale image?
...n fairly recent devices, where -xxhdpi is known).
Option #2: Use Android Asset Studio to downsample them for you.
Option #3: Automate the process within a graphics editor, per ssantos' answer.
Option #4: Script yourself a solution, using something like ImageMagick.
Option #5: Use image baker
...
PHP $_SERVER['HTTP_HOST'] vs. $_SERVER['SERVER_NAME'], am I understanding the man pages correctly?
...ist:
$allowed_hosts = array('foo.example.com', 'bar.example.com');
if (!isset($_SERVER['HTTP_HOST']) || !in_array($_SERVER['HTTP_HOST'], $allowed_hosts)) {
header($_SERVER['SERVER_PROTOCOL'].' 400 Bad Request');
exit;
}
...
How can I multiply and divide using only bit shifting and adding?
How can I multiply and divide using only bit shifting and adding?
14 Answers
14
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Concurrent.futures vs Multiprocessing in Python 3
... editor after snippets, if snippets enabled
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Do we still need end slashes in HTML5?
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Compare double to zero using epsilon
Today, I was looking through some C++ code (written by somebody else) and found this section:
11 Answers
...