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How to read a CSV file into a .NET Datatable
...ever, you can get around that issue by creating a schema.ini file. Here is my method I used:
// using System.Data;
// using System.Data.OleDb;
// using System.Globalization;
// using System.IO;
static DataTable GetDataTableFromCsv(string path, bool isFirstRowHeader)
{
string header = isFirstRo...
#if DEBUG vs. Conditional(“DEBUG”)
...onal("DEBUG") Example: I use this so that I don't have to go back and edit my code later during release, but during debugging I want to be sure I didn't make any typos. This function checks that I type a property name correctly when trying to use it in my INotifyPropertyChanged stuff.
[Conditional(...
IF… OR IF… in a windows batch file
... OR in an IF statement WinXP Batch Script
Final addendum - I almost forgot my favorite technique to test if a variable is any one of a list of case insensitive values. Initialize a test variable containing a delimitted list of acceptable values, and then use search and replace to test if your variab...
Sleep until a specific time/date
I want my bash script to sleep until a specific time. So, I want a command like "sleep" which takes no interval but an end time and sleeps until then.
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Get first key in a (possibly) associative array?
...s the best way to determine the first key in a possibly associative array? My first thought it to just foreach the array and then immediately breaking it, like this:
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How to store values from foreach loop into an array?
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I have issue where my array returns only last element that was pushed into array. Using count as suggested by you resolved my issue.
– Jass Preet
Jun 19 at 5:53
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How do you calculate log base 2 in Java for integers?
... to. For example, Math.ceil(Math.log(1<<29) / Math.log(2)) is 30 on my PC where mathematically it should be exactly 29. I didn't find a value for x where (int)(Math.log(x)/Math.log(2)) fails (just because there are only 32 "dangerous" values), but it does not mean that it will work the same w...
In PowerShell, how do I define a function in a file and call it from the PowerShell commandline?
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Try this on the PowerShell command line:
. .\MyFunctions.ps1
A1
The dot operator is used for script include.
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How to find all combinations of coins when given some dollar value
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I looked into this once a long time ago, and you can read my little write-up on it. Here’s the Mathematica source.
By using generating functions, you can get a closed-form constant-time solution to the problem. Graham, Knuth, and Patashnik’s Concrete Mathematics is the book for...
Is it alright to use target=“_blank” in HTML5?
... site). I often want to jump back and forth between the two without losing my place in the original article. target="_blank" is perfect for this. Leaving the page and having to alternately reload each page (often losing my place in either page), is not. Yes, I know that I can right-click on the lin...