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Git undo local branch delete
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git reflog show
This will display all the Commit history, you need to select the sha-1 that has the last commit that you want to get back
2: create a branch name with the Sha-1 ID you selected eg: 8c87714
git branch your-branch-name 8c87714
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Java 256-bit AES Password-Based Encryption
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Share the password (a char[]) and salt (a byte[]—8 bytes selected by a SecureRandom makes a good salt—which doesn't need to be kept secret) with the recipient out-of-band. Then to derive a good key from this information:
/* Derive the key, given password and salt. */
SecretKeyFa...
CREATE TABLE IF NOT EXISTS equivalent in SQL Server [duplicate]
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if not exists (select * from sysobjects where name='cars' and xtype='U')
create table cars (
Name varchar(64) not null
)
go
The above will create a table called cars if the table does not already exist.
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How can I iterate through the unicode codepoints of a Java String?
So I know about String#codePointAt(int) , but it's indexed by the char offset, not by the codepoint offset.
4 Answers
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How can I deploy an iPhone application from Xcode to a real iPhone device?
...w the use of this certificate:
Launch Keychain Access.app. With no items selected, from the Keychain menu select Certificate Assistant, then Create a Certificate.
Name: iPhone Developer
Certificate Type: Code Signing
Let me override defaults: Yes
Click Continue
Validity: 3650 days
Click Cont...
Right query to get the current number of connections in a PostgreSQL DB
...ires aren't equivalent. The equivalent version of the first one would be:
SELECT sum(numbackends) FROM pg_stat_database;
In that case, I would expect that version to be slightly faster than the second one, simply because it has fewer rows to count. But you are not likely going to be able to measu...
Directive isolate scope with ng-repeat scope in AngularJS
...moved:
<li ng-repeat="name in names"
ng-class="{ active: $index == selected }"
ng-click="selected = $index">
{{$index}}: {{name.first}} {{name.last}}
</li>
Here is a JSFiddle demonstrating that it won't work. You get the exact same results as in your directive.
Why doesn'...
How to select first parent DIV using jQuery?
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Use .closest() to traverse up the DOM tree up to the specified selector.
var classes = $(this).parent().closest('div').attr('class').split(' '); // this gets the parent classes.
share
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MySQL join with where clause
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You need to put it in the join clause, not the where:
SELECT *
FROM categories
LEFT JOIN user_category_subscriptions ON
user_category_subscriptions.category_id = categories.category_id
and user_category_subscriptions.user_id =1
See, with an inner join, putting a claus...
Illegal string offset Warning PHP
...rong node of a multidimensional array, i.e. going "too deep", you need the selection's parent instead
– zoltar
Mar 28 '18 at 9:23
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