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What happens if you don't commit a transaction to a database (say, SQL Server)?
... looks from outside the transaction. Depending on the isolation level, the table may be locked until the first window is committed, or you might (not) see what the other transaction has done so far, etc.
Play around with the different isolation levels and no lock hint to see how they affect the res...
Detecting which UIButton was pressed in a UITableView
I have a UITableView with 5 UITableViewCells . Each cell contains a UIButton which is set up as follows:
26 Answers
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Difference between CTE and SubQuery?
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The main advantage of the Common Table Expression (when not using it for recursive queries) is encapsulation, instead of having to declare the sub-query in every place you wish to use it, you are able to define it once, but have multiple references to it.
H...
Django templates: verbose version of a choice
...n by Noah to be more universal in dealing with data and field types:
<table>
{% for item in query %}
<tr>
{% for field in fields %}
<td>{{item|human_readable:field}}</td>
{% endfor %}
</tr>
{% endfor %}
</table>
Here's the c...
Current location permission dialog disappears too quickly
...heir destination or origin. All these possible destinations are shown in a table view, so I'm getting the users co-ordinates at the same time as populating the table. The only thing is, the alert view that asks for the users location appears then disappears so quickly it's impossible to click it!
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Best way to implement Enums with Core Data
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brilliant idea! so much easier than creating tables in the db, unless your db is filled from a web service then its probably best to use a db table!
– TheLearner
Oct 4 '11 at 8:33
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Is it safe to ignore the possibility of SHA collisions in practice?
...ssing on the so-called "birthday paradox". Have a better look at the "nice table", it does not work the way you think. For the figures I give, in that table, it would be a value "10^9" in a column labelled "4.3*10^-60" and row "128 bits" (but the table does not go below 10^-18).
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iOS 7 status bar back to iOS 6 default style in iPhone app?
...ontroller and UITabBarController will also try to pad the contentInsets of table views and collection views in its subview hierarchy. It does this in a manner similar to the status bar logic from #4. There is a programmatic way of preventing this, by setting automaticallyAdjustsScrollViewInsets to N...
iOS: Convert UTC NSDate to local Timezone
.../ you can also use NSDateFormatter dateFromString to go the opposite way
Table of formatting string parameters:
https://waracle.com/iphone-nsdateformatter-date-formatting-table/
If performance is a priority, you may want to consider using strftime
https://developer.apple.com/legacy/library/docu...
What is the difference between inversedBy and mappedBy?
...ssocation.
The owning side of a OneToOne assocation is the entity with the table containing the foreign key.
See https://www.doctrine-project.org/projects/doctrine-orm/en/latest/reference/unitofwork-associations.html
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