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How to write to file in Ruby?
I need to read the data out of database and then save it in a text file.
7 Answers
7
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Is there a way to crack the password on an Excel VBA Project?
... Step by step example:
Create a new simple excel file.
In the VBA part, set a simple password (say - 1234).
Save the file and exit. Then check the file size - see Stewbob's gotcha
Open the file you just created with a hex editor.
Copy the lines starting with the following keys:
CMG=....
DPB=...
...
How do I ignore files in Subversion?
...e Configuration Area - global-ignores option:
This is a client-side only setting, so your global-ignores list won't be shared by other users, and it applies to all repos you checkout onto your computer.
This setting is defined in your Runtime Configuration Area file:
Windows (file-based) - C:\Us...
How to print VARCHAR(MAX) using Print Statement?
...he count on your script length divided by 8000.
EG:
DECLARE @Counter INT
SET @Counter = 0
DECLARE @TotalPrints INT
SET @TotalPrints = (LEN(@script) / 8000) + 1
WHILE @Counter < @TotalPrints
BEGIN
-- Do your printing...
SET @Counter = @Counter + 1
END
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SQL Server 2008: how do I grant privileges to a username?
... editor after snippets, if snippets enabled
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How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?
...0 In other words it doesn't guarantees that all column of a row in resultset will belong to max(datetime) for given home.
– sactiw
Nov 26 '15 at 12:07
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Difference in make_shared and normal shared_ptr in C++
Many google and stackoverflow posts are there on this, but I am not able to understand why make_shared is more efficient than directly using shared_ptr .
...
How to convert vector to array
...
There's a fairly simple trick to do so, since the spec now guarantees vectors store their elements contiguously:
std::vector<double> v;
double* a = &v[0];
...
Force DOM redraw/refresh on Chrome/Mac
...tyle
element.appendChild(n);
element.style.display = 'none';
setTimeout(function(){
element.style.display = disp;
n.parentNode.removeChild(n);
},20); // you can play with this timeout to make it as short as possible
}
EDIT: In response to Šime Vidas what we are a...
Checking if output of a command contains a certain string in a shell script
...
@VitalyZdanevich, for one, testing $? doesn't set the preceding commands as "checked" for purposes of set -e or the ERR trap, so your program can exit in cases where you want it to simply return down the intentionally-false path later. For another, $? is volatile global ...