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grepping using the “|” alternative operator
...mand resulted in the following error:
-bash: syntax error near unexpected token `|'
This error was corrected by changing my command to:
get "http://localhost/foobar-&" | grep "fizz\|buzz"
By escaping the & character with double quotes I was able to resolve my issue. The answer had noth...
Including JavaScript class definition from another file in Node.js
...
i get an SyntaxError: Unexpected token export when i do as you described... i have node version v10.16.3
– thomas
Mar 6 at 15:57
add ...
Using a dispatch_once singleton model in Swift
...edInstance: Singleton {
struct Static {
static var onceToken: dispatch_once_t = 0
static var instance: Singleton? = nil
}
dispatch_once(&Static.onceToken) {
Static.instance = Singleton()
}
return Static.instance!
}
}...
How do I select an element in jQuery by using a variable for the ID?
... having an ID that starts with a number is not valid HTML:
ID and NAME tokens must begin with a letter ([A-Za-z]) and may be followed by any number of letters, digits ([0-9]), hyphens ("-"), underscores ("_"), colons (":"), and periods (".").
...
How to convert int to QString?
...
Then you probably want to work on pre-allocated buffers... but this sounds like a separate question.
– Georg Fritzsche
Apr 6 '17 at 4:45
a...
How to convert CFStringRef to NSString?
...ne fewer thing you need to release later. (CF uses Create where Cocoa uses alloc, so either way, you would have needed to release it.)
The resulting code:
NSString *escapedString;
NSString *unescapedString = [(NSString *) CFXMLCreateStringByUnescapingEntities(NULL, (CFStringRef) escapedString, NUL...
LINQ where vs takewhile
...
Indeed. It's also really useful for parsing a sequence of tokens.
– Aluan Haddad
Sep 4 at 21:50
...
Grep regex NOT containing string
...rep -P (?<\!1\.2\.3\.4) test.log -bash: syntax error near unexpected token `('
– jwbensley
May 2 '12 at 10:20
Yo...
What do 'real', 'user' and 'sys' mean in the output of time(1)?
...s'
There are things that your code cannot do from user mode - things like allocating memory or accessing hardware (HDD, network, etc.). These are under the supervision of the kernel, and it alone can do them. Some operations like malloc orfread/fwrite will invoke these kernel functions and that the...
Remove an onclick listener
...
i wonder if listeners cause memory allocation ? Do we need to free them ? Will that raise performance of app ?
– alicanbatur
Nov 4 '13 at 11:42
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