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SQLite add Primary Key
...DEX sqlite_autoindex_tab1_1
sqlite> drop index sqlite_autoindex_tab1_1;
Error: index associated with UNIQUE or PRIMARY KEY constraint cannot be dropped
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In C/C++ what's the simplest way to reverse the order of bits in a byte?
...l require another solution. (Of course one might do it by hand, but that's error-prone and time-consuming…)
– Arkku
Apr 8 '10 at 19:52
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invalid target release: 1.7
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When maven is working outside of Eclipse, but giving this error after a JDK change, Go to your Maven Run Configuration, and at the bottom of the Main page, there's a 'Maven Runtime' option. Mine was using the Embedded Maven, so after switching it to use my external maven, it worked...
How to get last inserted row ID from WordPress database?
...er for me, because I want to capture inserts that will otherwise return an error due to duplicate column values on a unique column. There is no way to INSERT IGNORE with $wpdb->insert unfortunately.
– Solomon Closson
Feb 15 '18 at 1:50
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How to run Node.js as a background process and never die?
...ed to /dev/null). You may replace &1 with a file path to keep a log of errors, e.g.: 2>/tmp/myLog
& at the end means: run this command as a background task.
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What is the proper way to check if a string is empty in Perl?
...trict but I'm updating some old code, so when I add this I get hundreds of errors. I'll probably fix them some day.
– Nick Bolton
Jan 11 '10 at 23:37
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How to combine two or more querysets in a Django view?
...at the paginator has some problem with this queryset. I get this paginator error: "len() of unsized object"
– espenhogbakk
Jan 11 '09 at 12:48
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.NET console application as Windows service
...nfigure dependencies on other services, and configure how it recovers from errors.
From the Package Manager Console (Nuget):
Install-Package Topshelf
Refer to the code samples to get started.
Example:
HostFactory.Run(x =>
{
x.Service<TownCrier>(...
Sort array of objects by single key with date value
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The proposed solution might give an error if a[key] and b[key] are not both strings. I suggest to replace y=y.toLowerCase() with y = (""+y).toLowerCase()
– user8074
Apr 5 '16 at 12:42
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Problems with Android Fragment back stack
... getting crash on this line fragmentManager.popBackStackImmediate();error: java.lang.IllegalStateException: FragmentManager is already executing transactions at com.example.myapplication.FragmentA$2.onBackStackChanged(FragmentA.java:43)
– Priyanka
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