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Find index of last occurrence of a substring in a string
... recent call last):
File "<stdin>", line 1, in <module>
ValueError: substring not found
The difference is when the substring is not found, rfind() returns -1 while rindex() raises an exception ValueError (Python2 link: ValueError).
If you do not want to check the rfind() return cod...
How do I list one filename per output line in Linux?
... -1 ftw.
– crantok
May 21 '13 at 21:05
4
ls defaults to -1 behavior when the output isn't connect...
Programmatically retrieve memory usage on iPhone
...iB): %f", ((CGFloat)info.resident_size / 1048576));
} else {
NSLog(@"Error with task_info(): %s", mach_error_string(kerr));
}
}
There is also a field in the structure info.virtual_size which will give you the number of bytes available virtual memory (or memory allocated to your application...
In pure functional languages, is there an algorithm to get the inverse function?
... "chase" a solution while we explore a design space using "undefined" and "error" during development). A "bottom" x has the type a. It "inhabits" (or is a "value") of every type. This is a logical contradiction, since types are propositions and there is no value which satisfies every proposition....
Android中Java和JavaScript交互 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...淆的版本运行正常，在混淆后的版本的代码运行错误，并提示Uncaught TypeError: Object [object Object] has no method，那就是你没有做混淆例外处理。 在混淆文件加入类似这样的代码。
keepattributes *Annotation*
keepattributes JavascriptInterface
-ke...
How to convert a string to lower case in Bash?
...sn't work for me (GNU bash version 4.2.46 and 4.0.33 (and same behaviour 2.05b.0 but nocasematch is not implemented)) even with using shopt -u nocasematch;. Unsetting that nocasematch causes [[ "fooBaR" == "FOObar" ]] to match OK BUT inside case weirdly [b-z] are incorrectly matched by [A-Z]. Bash i...
SQL Query to concatenate column values from multiple rows in Oracle
...ted string exceeds 4000 characters( limit for VARCHAR2 in SQL ), the below error is thrown, which is difficult to manage in Oracle versions upto 12.1
ORA-01489: result of string concatenation is too long
A new feature added in 12cR2 is the ON OVERFLOW clause of LISTAGG.
The query including t...
Are HLists nothing more than a convoluted way of writing tuples?
...
answered Aug 6 '12 at 10:05
Miles SabinMiles Sabin
22.6k66 gold badges5858 silver badges9595 bronze badges
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Where can I download english dictionary database in a text format? [closed]
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edited Jun 22 '11 at 15:05
answered Jun 22 '11 at 14:59
A...
Reconnection of Client when server reboots in WebSocket
...lt:
break;
}
};
websocket.onerror = function(ev){};
websocket.onclose = function(ev) { init(); };
}
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