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Error 1022 - Can't write; duplicate key in table
...ou can not have the same foreign key names in the database tables.
Check all your tables and all your foreign keys and avoid having two foreign keys with the same exact name.
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Writing string to a file on a new line every time
...se first, you don't need it and second, every Python function returns None by default when there is no return statement.
– Anna
Sep 27 '19 at 14:19
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URLs: Dash vs. Underscore [closed]
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Reasonable guess, but as it turns out, totally untrue. -1.
– Mark Amery
Feb 4 '15 at 23:29
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Pythonic way to check if a list is sorted or not
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Actually we are not giving the answer anijhaw is looking for. Here is the one liner:
all(l[i] <= l[i+1] for i in xrange(len(l)-1))
For Python 3:
all(l[i] <= l[i+1] for i in range(len(l)-1))
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How do you UrlEncode without using System.Web?
I am trying to write a windows client application that calls a web site for data. To keep the install to a minimum I am trying only use dlls in the .NET Framework Client Profile . Trouble is that I need to UrlEncode some parameters, is there an easy way to do this without importing System.Web.dll w...
for each loop in Objective-C for accessing NSMutable dictionary
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Is this loop return same order all the time? Or do we need another way to use it for TableView sections?
– ymutlu
Oct 31 '14 at 14:55
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What's the right OAuth 2.0 flow for a mobile app
...ect URLs.
Support loopback IP redirect URLs with arbitrary port numbers in order to support desktop apps.
Don’t assume native apps can keep a secret. Require all apps to declare whether they are public or confidential, and only issue client secrets to confidential apps.
Support the PKCE extension,...
Best practices for copying files with Maven
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In order to copy a file use:
<plugin>
<artifactId>maven-resources-plugin</artifactId>
<version>3.1.0</version>
<executions>
<exe...
Global access to Rake DSL methods is deprecated
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You can "delete" Rake 0.9.1 by running the following command:
gem uninstall rake -v=0.9.1
If you have multiple versions of the gem installed, you'll be prompted to pick a version.
After 0.9.1 was cleaned out, I ran
bundle update rake
and was finally able to create my database files. I was ...
How to replace captured groups only?
...needs to be replaced.
(?<=name="\w+) - Lookbehind for name", followed by word characters (luckily, lookbehinds do not have to be fixed width in Javascript!)
\d+ - Match one or more digits - the only part of the pattern not in a lookaround, the only part of the string that will be in the resulti...