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How can I use Python to get the system hostname?
...I would like be able to identify computers and get the user-set computer name with Python.
11 Answers
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Showing Difference between two datetime values in hours
I am retrieving two date time values from the database. Once the value is retrieved, I need the difference between the two values.
For that, I create a timespan variable to store the difference of the 2 date values.
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How to store Java Date to Mysql datetime with JPA
Can any body tell me how can I store Java Date to Mysql datetime...?
12 Answers
12
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Save string to the NSUserDefaults?
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NSString *valueToSave = @"someValue";
[[NSUserDefaults standardUserDefaults] setObject:valueToSave forKey:@"preferenceName"];
[[NSUserDefaults standardUserDefaults] synchronize];
to get it back later
NSString *savedValue = [[NSUserDefaults standardUs...
SHA1 vs md5 vs SHA256: which to use for a PHP login?
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Neither. You should use bcrypt. The hashes you mention are all optimized to be quick and easy on hardware, and so cracking them share the same qualities. If you have no other choice, at least be sure to use a long salt and re-hash multiple times.
Using bcrypt in PHP 5.5+...
Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
... until dest is ready before executing. This false dependency is (now) documented by Intel as erratum HSD146 (Haswell) and SKL029 (Skylake)
Skylake fixed this for lzcnt and tzcnt.
Cannon Lake (and Ice Lake) fixed this for popcnt.
bsf/bsr have a true output dependency: output unmodified for input=0....
How can I programmatically create a new cron job?
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It's always worked well for me.
You should consider a slightly more sophisticated script that can do three things.
Append a crontab line; assuring that it didn't exist. Adding when it already exists is bad.
Remove the crontab line. Perhaps only war...
Is there any free OCR library for Android? [closed]
...here any opensource/free Java OCR I can use for android application development?
6 Answers
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How to detect scroll position of page using jQuery
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You can extract the scroll position using jQuery's .scrollTop() method
$(window).scroll(function (event) {
var scroll = $(window).scrollTop();
// Do something
});
share
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improv...
How to remove a Gitlab project?
...al repositories in GitLab. One of those was for testing purposes and has some commits and branches. I want to delete or remove this repository. How can I do this?
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