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User recognition without cookies or local storage
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Introduction
If I understand you correctly, you need to identify a user for whom you don't have a Unique Identifier, so you want to figure out who they are by matching Random Data. You can't store the user's identity reliably because:
Cookies Can be deleted
IP address Can change...
Creating a segue programmatically
... runtime that creates them for you. You can normally call performSegueWithIdentifier: in your view controller's code, but this relies on having a segue already set up in the storyboard to reference.
What I think you are asking though is how you can create a method in your common view controller (b...
How to set transform origin in SVG
...l 15 '11 at 23:16
Peter CollingridgePeter Collingridge
9,66133 gold badges3636 silver badges5656 bronze badges
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Renew Provisioning Profile
...any that is famous for intuitiveness (if that's a word) this is extremely hidden and obscure. Worked for me, it did also prompt me something else relating to the provisioning profile and asked if xcode should fetch it for me, I said yes and it worked.
– Brett Gregson
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Design patterns or best practices for shell scripts [closed]
...small mistake that hinders your script, or even make it dangerous.
That said, I don't have other resources to pass you but my personal experience.
Here is what I normally do, which is overkill, but tends to be solid, although very verbose.
Invocation
make your script accept long and short option...
E11000 duplicate key error index in mongodb mongoose
... the sparse index to filter these null values from the unique index and avoid the error.
unique indexes
Sparse indexes only contain entries for documents that have the indexed field, even if the index field contains a null value.
In other words, a sparse index is ok with multiple documents all ha...
Uses for Optional
... so, I'm pretty happy with the new API changes. One area I'm still not confident in is when to use Optional . I seem to swing between wanting to use it everywhere something may be null , and nowhere at all.
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How do I access call log for android?
...ellybean (4.1) you need the following permission:
<uses-permission android:name="android.permission.READ_CALL_LOG" />
Code:
Uri allCalls = Uri.parse("content://call_log/calls");
Cursor c = managedQuery(allCalls, null, null, null, null);
String num= c.getString(c.getColumnIndex(CallLog.Cal...
How to quit android application programmatically
I Found some codes for quit an Android application programatically. By calling any one of the following code in onDestroy() will it quit application entirely?
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In JavaScript can I make a “click” event fire programmatically for a file input element?
...ow to trigger file input.
The only convenient alternative is to create a "hidden" file input (using opacity, not "hidden" or "display: none"!) and afterwards create the button "below" it. In this way the button is seen but on user click it actually activates the file input.
Hope this helps! :)
&l...