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How to encrypt/decrypt data in php?
...given_hash, $db_hash)) {
// user password verified
}
// constant time string compare
function isEqual($str1, $str2)
{
$n1 = strlen($str1);
if (strlen($str2) != $n1) {
return false;
}
for ($i = 0, $diff = 0; $i != $n1; ++$i) {
$diff |= ord($str1[$i]) ^ ord($str2[$...
Return a `struct` from a function in C
... Yes, I can put an array inside a struct, but I cannot e.g. write typedef char arr[100]; arr foo() { ... } An array cannot be returned, even if the size is known.
– Giorgio
Mar 11 '12 at 11:19
...
Weird PHP error: 'Can't use function return value in write context'
...hat a strange error.. I still don't fully understand :/ empty() can take a string.. and trim() returns a string.. so wth?
– Nick Rolando
Feb 8 '12 at 17:23
...
Is it possible for git-merge to ignore line-ending differences?
...e.autoCRLF=false
Test that, when two lines are identical (but their eol chars), both DiffMerge or KDiff3 will ignore those line during a merge.
DOS script (note: the dos2unix command comes from here, and is used to simulate a Unix eol-style. That command has been copied in the directory mentione...
When to use volatile with multi threading?
...
...matter if the other threads do an extra few iterations of their work loops before they terminate, as long as it happens reasonably soon after the flag is set. Of course, this is the ONLY use that I can think of and its rather niche (and may not work on platfo...
How do you create a Swift Date object?
... initializer which will create a date in the current locale using the date string in the format you specified.
extension NSDate
{
convenience
init(dateString:String) {
let dateStringFormatter = NSDateFormatter()
dateStringFormatter.dateFormat = "yyyy-MM-dd"
dateStringFor...
ActionBar text color
...ortActionBar() */.setTitle(Html.fromHtml("<font color=\"red\">" + getString(R.string.app_name) + "</font>"));
You can also use the red hex code #FF0000 instead of the word red. If you are having trouble with this, see Android Html.fromHtml(String) doesn't work for <font color='#'>...
Ruby: How to turn a hash into HTTP parameters?
...was originally due to the way an earlier version of rails parsed the query string (I seemed to recall it overwriting the previous 'b' values). Started GET "/?a=a&b%5B%5D=c&b%5B%5D=d&b%5B%5D=e" for 127.0.0.1 at 2011-03-10 11:19:40 -0600 Processing by SitesController#index as HT...
What is the difference between re.search and re.match?
...
re.match is anchored at the beginning of the string. That has nothing to do with newlines, so it is not the same as using ^ in the pattern.
As the re.match documentation says:
If zero or more characters at the
beginning of string match the regular expression patt...
how to get last insert id after insert query in codeigniter active record
...ered Oct 3 '19 at 20:10
Tristan CHARBONNIERTristan CHARBONNIER
76588 silver badges1010 bronze badges
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