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Reorder / reset auto increment primary key
...he ids should then be reassigned in order.
However this is probably a bad idea in most situations. If you have other tables that have foreign keys to this table then it will definitely not work.
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Accessing a Dictionary.Keys Key through a numeric index
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A Dictionary is a Hash Table, so you have no idea the order of insertion!
If you want to know the last inserted key I would suggest extending the Dictionary to include a LastKeyInserted value.
E.g.:
public MyDictionary<K, T> : IDictionary<K, T>
{
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Delete keychain items when an app is uninstalled
... with the disk (by calling synchronize) are lost in that case. It's a good idea to call synchronize after setting the first run key. And yes, NSUserDefaults are cleared when a device is reset (and not restored from backup), and that's fine in this case.
– Amro
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grep a file, but show several surrounding lines?
...sure using it to "advertise" ack (which is a great tool, indeed) is a good idea…
– MonsieurDart
Dec 10 '19 at 14:24
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How to enable mod_rewrite for Apache 2.2
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The ideas here are correct for a UNIX CLI but the commands only work for a Debian based Linux distributions and not a Windows environment of the OP.
– Jason Rikard
Jul 21 '11 at 19:45
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Copy files from one directory into an existing directory
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Copying dir1/.* is not a good idea, as it copies dir1/.. (i.e. the parent of the directory you're actually trying to copy). It also copies dir1/. which is fine, except that it's already (mostly) been copied, so you're doing the work twice.
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Save all files in Visual Studio project as UTF-8
...encoding files written in asp.net.
I searched a lot. And I also used some ideas and codes from this page. Thank you.
And here is the function.
Function ChangeFileEncoding(pPathFolder As String, pExtension As String, pDirOption As IO.SearchOption) As Integer
Dim Counter As Integer
Dim s...
How to update a value, given a key in a hashmap?
...ut builtin. I seriously doubt writing your own MutableInteger is a better idea.
– Peter Lawrey
Nov 11 '10 at 18:51
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Converting a string to int in Groovy
...u'd rather add a try/catch block :) but using exceptions for this is a bad idea.
– Andres Kievsky
Nov 12 '11 at 7:45
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How to chain scope queries with OR instead of AND?
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While this looks like a good idea, ARel is not a public API and using this may break your app in unexpected ways, so I'd advise against it unless you pay close attention to the evolution of the ARel API.
– Olivier Lacan
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