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Likelihood of collision using most significant bits of a UUID in Java
If I'm using Long uuid = UUID.randomUUID().getMostSignificantBits() how likely is it to get a collision. It cuts off the least significant bits, so there is a possibility that you run into a collision, right?
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How to add months to a date in JavaScript? [duplicate]
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Split your date into year, month, and day components then use Date:
var d = new Date(year, month, day);
d.setMonth(d.getMonth() + 8);
Date will take care of fixing the year.
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Add a column to a table, if it does not already exist
... sys.columns
WHERE object_id = OBJECT_ID(N'[dbo].[Person]')
AND name = 'ColumnName'
)
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How do I remove a single file from the staging area (undo git add)?
...ith files already in the index. I make changes to several files, open Git and add these files to my staging area with "git add ."
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Is there a builtin confirmation dialog in Windows Forms?
...ike to create a simple confirm dialog saying "Please check the information and if you're sure it's correct, click OK."
3 An...
Colorizing text in the console with C++
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Add a little Color to your Console Text
HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
// you can loop k higher to see more color choices
for(int k = 1; k < 255; k++)
{
// pick the colorattribute k you want
SetConsoleTextAttribute(hConsole, k);
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Windows batch file file download from a URL
...-OutFile package.zip
From a batch file they are called:
powershell -Command "(New-Object Net.WebClient).DownloadFile('http://www.example.com/package.zip', 'package.zip')"
powershell -Command "Invoke-WebRequest http://www.example.com/package.zip -OutFile package.zip"
(PowerShell 2.0 is available...
Tool for comparing 2 binary files in Windows [closed]
...ndows, it will either appear not to start, or will very briefly show a command prompt window, which quickly disappears. Open up a command prompt and run the program from there to see what arguments it accepts, and then use it from the command prompt accordingly.
– nonoitall
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Getting the difference between two sets
... This solution is not fully correct. Because the order of test1 and test2 makes a difference.
– Bojan Petkovic
Nov 1 '16 at 22:34
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jQuery validate: How to add a rule for regular expression validation?
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this is super useful and should be included in jquery :(
– Grahame A
Aug 5 '11 at 19:47
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