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Why does JavaScript only work after opening developer tools in IE once?
...le object is only activated when the Dev Toolbar is opened. Prior to that, calling the console object will result in it being reported as undefined. After the toolbar has been opened, the console will exist (even if the toolbar is subsequently closed), so your console calls will then work.
There ar...
Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
... lea edi,[r13+rbx*1+0x0]
4004f2: e8 db ff ff ff call 4004d2 <_ZL3addRKiS0_.isra.0>
4004f7: 01 c3 add ebx,eax
4004f9: ff cd dec ebp
4004fb: 75 ec jne 4004e9 <_ZL4workii+0x13>...
What is a monad?
....
(The function argument provided to a method like map or flatMap is often called a "callback" in JavaScript. I will call it the "operation" since it is more general.)
If we chain multiple operations (in the traditional way):
[1,2,3].map(a => a + 1).filter(b => b != 3)
Results in the array [2...
.NET - Dictionary locking vs. ConcurrentDictionary
...t mean that a single thread will see a "logical" sequence of results if it calls multiple methods.
For example, if you first check if a key exists and then later get the value that corresponds to the key, that key may no longer exist even with a ConcurrentDictionary version (because another thread ...
Storing Data in MySQL as JSON
...n00b thing to do. And, so, I've never done it. Then I saw that FriendFeed did this and actually made their DB scale better and decreased latency. I'm curious if I should do this. And, if so, what's the right way to do it?
...
How to scroll to the bottom of a UITableView on the iPhone before the view appears
...
I believe that calling
tableView.setContentOffset(CGPoint(x: 0, y: CGFloat.greatestFiniteMagnitude), animated: false)
will do what you want.
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Oracle query to fetch column names
...ers.
Tablespace is not equivalent to a schema, neither do you have to provide the tablespace name.
Providing the schema/username would be of use if you want to query ALL_TAB_COLS or DBA_TAB_COLS for columns OF tables owned by a specific user. in your case, I'd imagine the query would look somethin...
How to use mongoimport to import csv
...cting to: test
> use mydb
switched to db mydb
> db.things.find()
{ "_id" : ObjectId("4d32a36ed63d057130c08fca"), "Name" : "Jane Doe", "Address" : "123 Main St", "City" : "Whereverville", "State" : "CA", "ZIP" : 90210 }
{ "_id" : ObjectId("4d32a36ed63d057130c08fcb"), "Name" : "John Doe", "Addre...
Saving and loading objects and using pickle
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As for your second problem:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Python31\lib\pickle.py", line
1365, in load encoding=encoding,
errors=errors).load() EOFError
After you have read the contents of the file, the file p...
Take a char input from the Scanner
....next().charAt(0);
Just to be safe with whitespaces you could also first call trim() on the string to remove any whitespaces.
Scanner reader = new Scanner(System.in);
char c = reader.next().trim().charAt(0);
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