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How long is the SHA256 hash?
...(64), or even a char(64), as the length is always the same, not varying at all.
And the demo :
$hash = hash('sha256', 'hello, world!');
var_dump($hash);
Will give you :
$ php temp.php
string(64) "68e656b251e67e8358bef8483ab0d51c6619f3e7a1a9f0e75838d41ff368f728"
i.e. a string with 64 character...
How to set host_key_checking=false in ansible inventory file?
..." -- Is shown to be false, proven by my answer. I'd even say this is not really an answer to the question on how to set it on inventory level.
– gertvdijk
Aug 2 '17 at 10:06
...
DateTime “null” value
...
For normal DateTimes, if you don't initialize them at all then they will match DateTime.MinValue, because it is a value type rather than a reference type.
You can also use a nullable DateTime, like this:
DateTime? MyNullableDate;
Or the longer form:
Nullable<DateTime>...
Merge git repo into branch of another repo
...epo Bar. I want to merge Bar with Foo, but only into a separate branch, called baz .
3 Answers
...
Exclude a sub-directory using find
...terating into the directory structure and using cpu cycles to iterate over all those directories/files. to prevent find from iterating over those directories/files (maybe there are millions of files there) then you need to use -prune (the -prune option is difficult to use however).
...
In R, how to get an object's name after it is sent to a function?
...(mean.x)}
test(a)
#[1] "a" ... this is the side-effect of the print() call
# ... you could have done something useful with that character value
#[1] 5.5 ... this is the result of the function call
Edit: Ran it with the new test-object
Note: this will not succeed inside a local func...
How do I detect that an iOS app is running on a jailbroken phone?
... jailbreak. In the simple case, you should be able to see if Cydia is installed and go by that - something like
NSString *filePath = @"/Applications/Cydia.app";
if ([[NSFileManager defaultManager] fileExistsAtPath:filePath])
{
// do something useful
}
For hacked kernels, it's a little (lot) m...
Specify width in *characters*
... than the width. Same holds for ex, which is the height of an x. More generally speaking, these are the heights of uppercase and lowercase letters.
Width is a totally different issue....
Change your example above to
<div>
<span>1</span> 3 5 7 9 1 3 5 7 9 1
</div>
an...
Replace a value if null or undefined in JavaScript
... boolean value but the first value that can be converted to true.
Additionally use an array of objects instead of one single object:
var options = {
filters: [
{
name: 'firstName',
value: 'abc'
}
]
};
var filter = options.filters[0] || ''; // is {n...
Android LinearLayout Gradient Background
...the colors and it did not work for me. Once I got the alpha channel set it all worked!
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