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Using Excel OleDb to get sheet names IN SHEET ORDER
I'm using OleDb to read from an excel workbook with many sheets.
11 Answers
11
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How to go from Blob to ArrayBuffer
...
You can use FileReader to read the Blob as an ArrayBuffer.
Here's a short example:
var arrayBuffer;
var fileReader = new FileReader();
fileReader.onload = function(event) {
arrayBuffer = event.target.result;
};
fileReader.readAsArrayBu...
Why are these constructs using pre and post-increment undefined behavior?
...
Reading the Standard and the published rationale, It's clear why the concept of UB exists. The Standard was never intended to fully describe everything a C implementation must do to be suitable for any particular purpose (se...
To underscore or to not to underscore, that is the question
...cipe for confusion if they differ only by case. It's just too easy to mis-read or mis-type if the only difference is the initial capital.
– ChrisA
Jan 16 '09 at 12:30
2
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Language Books/Tutorials for popular languages
... in many cases, this means a real dead-tree book.
If you want to learn C, read K&R. If you want to learn C++, read Stroustrup. If you want to learn Lisp/Scheme, read SICP. Etc.
If you're not willing to spend more than $30 and a few hours to learn a language, you probably aren't going to lea...
What is object serialization?
...t serialized.
Here is a very basic sample with comments to facilitate its reading:
import java.io.*;
import java.util.*;
// This class implements "Serializable" to let the system know
// it's ok to do it. You as programmer are aware of that.
public class SerializationSample implements Serializabl...
Select n random rows from SQL Server table
...IME ON
SET STATISTICS IO ON
/* newid()
rows returned: 10000
logical reads: 3359
CPU time: 3312 ms
elapsed time = 3359 ms
*/
SELECT TOP 1 PERCENT Number
FROM Numbers
ORDER BY newid()
/* TABLESAMPLE
rows returned: 9269 (varies)
logical reads: 32
CPU time: 0 ms
elapsed time: 5...
Exploitable PHP functions
...d RATS. I have also added some of my own to the mix and people on this thread have helped out.
Edit: After posting this list I contacted the founder of RIPS and as of now this tools searches PHP code for the use of every function in this list.
Most of these function calls are classified as Sinks...
What's the difference between the atomic and nonatomic attributes?
... getter or set by the setter, regardless of setter activity on any other thread. That is, if thread A is in the middle of the getter while thread B calls the setter, an actual viable value -- an autoreleased object, most likely -- will be returned to the caller in A.
In nonatomic, no such guarant...
Loop through an array of strings in Bash?
...ee")
# get length of an array
arraylength=${#array[@]}
# use for loop to read all values and indexes
for (( i=1; i<${arraylength}+1; i++ ));
do
echo $i " / " ${arraylength} " : " ${array[$i-1]}
done
Output:
1 / 3 : one
2 / 3 : two
3 / 3 : three
...