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How to set auto increment primary key in PostgreSQL?
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and if you want to reference it from another table, use integer, or bigint
– Ward
May 18 '14 at 21:38
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What does the ??!??! operator do in C?
...sign of sophistication. Besides being really the only decent OS, Unix also converted your upper case to lower, rather than vice versa. Those guys were really cool.
– DigitalRoss
Oct 26 '11 at 2:45
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Use URI builder in Android or create URL with variables
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No need convert UTF8 content?
– Webserveis
Apr 5 '17 at 20:24
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Xcode Debugger: view value of variable
...f NSDictionary variable in Xcode debugger?
I also use
po variableName
print variableName
in Console.
In your case it is possible to execute
print [myData objectAtIndex:indexPath.row]
or
po [myData objectAtIndex:indexPath.row]
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How to create a file in memory for user to download, but not through server?
... The correct charset is almost certainly UTF-16, unless you have code converting it to UTF-8. JavaScript uses UTF-16 internally. If you have a text or CSV file, start the string with '\ufeff', the Byte Order Mark for UTF-16BE, and text editors will be able to read non-ASCII characters correctly...
How do I concatenate const/literal strings in C?
...r "strings".
You can use the strcat function, which appends the string pointed to by src to the end of the string pointed to by dest:
char *strcat(char *dest, const char *src);
Here is an example from cplusplus.com:
char str[80];
strcpy(str, "these ");
strcat(str, "strings ");
strcat(str, "are...
Rename Pandas DataFrame Index
...s and index are the same type of object (Index or MultiIndex), and you can interchange the two via transpose.
This is a little bit confusing since the index names have a similar meaning to columns, so here are some more examples:
In [1]: df = pd.DataFrame([[1, 2, 3], [4, 5 ,6]], columns=list('ABC'...
HTML encoding issues - “” character showing up instead of “ ”
...ith some string content. So what we have analysed is that '£' was getting converted to '£'.
Analysis:
The glitch which we have found after doing research is that in POST call we have set HttpWebRequest ContentType as "text/xml" while in GET Call it was "text/xml; charset:utf-8".
Solution:
So ...
How to Implement Custom Table View Section Headers and Footers with Storyboard
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@Foriger - Not at this point. It's an odd omission in storyboard table views, but it is what it is. Use that kludgy hack with prototype cells if it you want, but personally, I just put up with the annoyance of the NIBs for the header/footer views.
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What is the most elegant way to remove a path from the $PATH variable in Bash?
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Here's the simplest solution i can devise:
#!/bin/bash
IFS=:
# convert it to an array
t=($PATH)
unset IFS
# perform any array operations to remove elements from the array
t=(${t[@]%%*usr*})
IFS=:
# output the new array
echo "${t[*]}"
The above example will remove any element in $PATH t...