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R script line numbers at error?
If I am running a long R script from the command line (R --slave script.R), how can I get it to give line numbers at errors?
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How disable Copy, Cut, Select, Select All in UITextView
...o allow:
- (BOOL)canPerformAction:(SEL)action withSender:(id)sender
{
if (action == @selector(paste:))
return NO;
return [super canPerformAction:action withSender:sender];
}
Also see UIResponder
share
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HTML5 textarea placeholder not appearing
...date (2020)
This is not true anymore, according to the HTML5 parsing spec:
If the next token is a U+000A LINE FEED (LF) character token,
then ignore that token and move on to the next one. (Newlines
at the start of textarea elements are ignored as an authoring
convenience.)
You might still have ...
Where do “pure virtual function call” crashes come from?
...
They can result if you try to make a virtual function call from a constructor or destructor. Since you can't make a virtual function call from a constructor or destructor (the derived class object hasn't been constructed or has already been...
Difference between subprocess.Popen and os.system
What is the difference between subprocess.Popen() and os.system() ?
5 Answers
5
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How can I get a collection of keys in a JavaScript dictionary? [duplicate]
... shim it in older browsers...
const keys = Object.keys(driversCounter);
If you wanted values, there is Object.values() and if you want key and value, you can use Object.entries(), often paired with Array.prototype.forEach() like this...
Object.entries(driversCounter).forEach(([key, value]) =>...
@OneToMany List vs Set difference
Is there any difference if I use
2 Answers
2
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Why do you need to create a cursor when querying a sqlite database?
...be used to fetch data from the DBMS into an
application but also to identify a row in a table to be updated or
deleted. The SQL:2003 standard defines positioned update and
positioned delete SQL statements for that purpose. Such statements do
not use a regular WHERE clause with predicates. In...
How to quickly and conveniently create a one element arraylist [duplicate]
...List backed by a varargs T.
return Arrays.asList(s);
Variable size List
If it needs vary in size you can construct an ArrayList and the fixed-sizeList like
return new ArrayList<String>(Arrays.asList(s));
and (in Java 7+) you can use the diamond operator <> to make it
return new A...
整合phpcms v9和discuz X3.2实现同步登陆、退出免激活 - 更多技术 - 清泛网...
...修改 template\default\member\login.htm 第 36 行，删除
onsubmit="{if $this->setting['pwdsafety']}pwmd5('password3_$loginhash');{/if}pwdclear = 1;ajaxpost('loginform_$loginhash', 'returnmessage_$loginhash', 'returnmessage_$loginhash', 'onerror');return false;"
2、修改 template\default\me...