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How to generate a random alpha-numeric string?
...racters for only 122 bits of entropy. (Not all bits of a "random" UUID are selected randomly.) A randomly chosen alphanumeric string packs more entropy in just 21 characters.
UUIDs are not flexible; they have a standardized structure and layout. This is their chief virtue as well as their main weak...
How to branch with TortoiseHG
...
Before commiting, click on Branch button (see image), Then select a branch or create a new one (by typing where you select the branches).
See the image here
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IIS_IUSRS and IUSR permissions in IIS8
...the underline):
Press OK to add the user
With the new user (your domain) selected, now you can safely provide any Modify or Write permissions
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What's the difference between “git reset” and “git checkout”?
.... git checkout is about updating the working tree and switching currently "selected" branch (the HEAD).
– Mikko Rantalainen
Dec 9 '13 at 11:02
2
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How can I generate random alphanumeric strings?
...0123456789";
return new string(Enumerable.Repeat(chars, length)
.Select(s => s[random.Next(s.Length)]).ToArray());
}
(Note: The use of the Random class makes this unsuitable for anything security related, such as creating passwords or tokens. Use the RNGCryptoServiceProvider class if ...
How do I add a Maven dependency in Eclipse?
...ries
In the window that appears, right-click on Global Repositories and select Go Into
Right-click on "central (http://repo.maven.apache.org/maven2)" and select "Rebuild Index"
Note that it will take a while to complete the download
Once indexing is complete, Right-click on the project -> ...
What's the difference between session.persist() and session.save() in Hibernate?
...st(entity);
session.getTransaction().commit();
session.close();
Result:
select nextval ('hibernate_sequence') // This is for vehicle Id generated : 36
insert into Employee_Vehicle ( Vehicle_Name, Vehicle_Id) values ( Honda, 36)
Note the result is same when you get an already persisted object an...
Getting and removing the first character of a string
...cters:
x <- 'hello stackoverflow'
substring(x, 2, nchar(x))
Idea is select all characters starting from 2 to number of characters in x. This is important when you have unequal number of characters in word or phrase.
Selecting the first letter is trivial as previous answers:
substring(x,1,1...
Dynamically adding a form to a Django formset with Ajax
...ice');
});
</script>
In a javascript file:
function cloneMore(selector, type) {
var newElement = $(selector).clone(true);
var total = $('#id_' + type + '-TOTAL_FORMS').val();
newElement.find(':input').each(function() {
var name = $(this).attr('name').replace('-' + (t...
Django migration strategy for renaming a model and relationship fields
...ll ask you for
Did you rename the appname.oldName model to NewName? [y/N] select Y
Run python manage.py migrate and it will ask you for
The following content types are stale and need to be deleted:
appname | oldName
appname | NewName
Any objects related to these content types by a foreign key...