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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...
Cross-reference (named anchor) in markdown
...osing syntax for XHTML, and using the id attribute instead of name.
XHTML allows for any tag to be 'empty' and 'self-closed'. That is, <tag /> is short-hand for <tag></tag>, a matched pair of tags with an empty body. Most browsers will accept XHTML, but some do not. To avoid cros...
Convert JS Object to form data
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This function adds all data from object to FormData
ES6 version from @developer033:
function buildFormData(formData, data, parentKey) {
if (data && typeof data === 'object' && !(data instanceof Date) && !(data insta...
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
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How to round the minute of a datetime object
...
This does not work at all for me for long periods. e.g. roundTime(datetime.datetime(2012,12,31,23,44,59,1234),roundTo=60*60*24*7) vs roundTime(datetime.datetime(2012,12,30,23,44,59,1234),roundTo=60*60*24*7)
– CPBL
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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
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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...
Best way to check if a Data Table has a null value in it
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I usually create an "Extensions" folder in some common library or in my DAL. Create a file called "DataTableExtensions.cs" and add that method. Next you would just add "using Name.Space.Extensions" to your cs files and have access...
What's “tools:context” in Android layout files?
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That attribute is basically the persistence for the "Associated Activity" selection above the layout. At runtime, a layout is always associated with an activity. It can of course be associated with more than one, but at least one. In the tool, we ...
What generates the “text file busy” message in Unix?
...table while it was running.
For example, I was building a make workalike called rmk, and after a while it was self-maintaining. I would run the development version and have it build a new version. To get it to work, it was necessary to use the workaround:
gcc -g -Wall -o rmk1 main.o -L. -lrmk -L...