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ERROR: permission denied for sequence cities_id_seq using Postgres
I'm new at postgres (and at database info systems all in all). I ran following sql script on my database:
4 Answers
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How to get the position of a character in Python?
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There are two string methods for this, find() and index(). The difference between the two is what happens when the search string isn't found. find() returns -1 and index() raises ValueError.
Using find()
>>> myString = 'Position of a character'
>>>...
Markup XML解析库下载(Markup.h 和 Markup.cpp) - 源码下载 - 清泛网 - 专注C/C++及内核技术
.... All rights reserved
// Go to www.firstobject.com for the latest CMarkup and EDOM documentation
// Use in commercial applications requires written permission
// This software is provided "as is", with no warranty.
#if !defined(_MARKUP_H_INCLUDED_)
#define _MARKUP_H_INCLUDED_
#include <std...
Can I run HTML files directly from GitHub, instead of just viewing their source?
...u might want to use raw.githack.com. It supports GitHub, Bitbucket, Gitlab and GitHub gists.
GitHub
Before:
https://raw.githubusercontent.com/[user]/[repository]/[branch]/[filename.ext]
In your case .html extension
After:
Development (throttled)
https://raw.githack.com/[user]/[repository]/[br...
Delete last char of string
I am retrieving a lot of information in a list, linked to a database and I want to create a string of groups, for someone who is connected to the website.
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ModelState.AddModelError - How can I add an error that isn't for a property?
...g my database in Create(FooViewModel fvm){...} to see if the fvm.prop1 and fvm.prop2 already exist in that combination; if so, I want to add an error to the modelstate, then return the whole view. I tried:
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Hide Utility Class Constructor : Utility classes should not have a public or default constructor
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If this class is only a utility class, you should make the class final and define a private constructor:
public final class FilePathHelper {
private FilePathHelper() {
//not called
}
}
This prevents the default parameter-less constructor from being used elsewhere in your code. Ad...
Undoing a git bisect mistake
I'm doing a non-automated git bisect via command line. All is going well until I accidentally hit return on the wrong line in my command history, and rather than running the test, I run 'git bisect good' (or bad). Oops - I don't yet know if this commit should be marked good or bad, yet that's what I...
How to access pandas groupby dataframe by key
... answered Feb 6 '13 at 17:00
Andy HaydenAndy Hayden
262k7373 gold badges527527 silver badges485485 bronze badges
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Why does “while(true)” without “Thread.sleep” cause 100% CPU usage on Linux but not on Windows?
...s say you have 4 cores:
With IRIX mode on, 1 fully utilized core is 100% and 4 cores are 400%.
With IRIX mode off, 1 fully utilized core is 25% and 4 cores are 100%.
This means that by default, top on Linux will show an infinite loop as ~100% and Windows will show it as ~25%, and it means exac...
