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java.util.Date vs java.sql.Date
...handling.
Basically databases usually support at least three forms of datetime fields which are date, time and timestamp. Each of these have a corresponding class in JDBC and each of them extend java.util.Date. Quick semantics of each of these three are the following:
java.sql.Date corresponds to...
Fastest way to tell if two files have the same contents in Unix/Linux?
...There is no alternative. So creating hashes or checksums at some point in time requires reading the whole file. Big files take time.
File metadata retrieval is much faster than reading a large file.
So, is there any file metadata you can use to establish that the files are different?
File size ? ...
git rebase without changing commit timestamps
Would it make sense to perform git rebase while preserving the commit timestamps?
5 Answers
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Fluent and Query Expression — Is there any benefit(s) of one over other?
...f the greatest improvements to .NET since generics and it saves me tons of time, and lines of code. However, the fluent syntax seems to come much more natural to me than the query expression syntax.
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Pandas conditional creation of a series/dataframe column
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It's a shame i can't upvote this multiple times. One upvote doesn't seem enough.
– Harper
Aug 15 '19 at 9:26
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API pagination best practices
...ed, so this may or may not work, but have you considered paginating with a timestamp field?
When you query /foos you get 100 results. Your API should then return something like this (assuming JSON, but if it needs XML the same principles can be followed):
{
"data" : [
{ data item 1 w...
Remove new lines from string and replace with one empty space
... Just wanted to let u know that Your solution has saved me a lot of time.
– Parthapratim Neog
Jul 31 '15 at 10:26
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How to backup a local Git repository?
...xist , an empty string is send to stdin
# if the key exists multiple times, the last value is send to stdin
# if exaclty one key is found once, it's value is send to stdin
#
# get the setting for the backup directory
# ----------------------------------------
directory = `git config -...
How do I output text without a newline in PowerShell?
...on, available from PowerShell 3.0 onward, see manual for details.
# Total time to sleep
$start_sleep = 120
# Time to sleep between each notification
$sleep_iteration = 30
Write-Output ( "Sleeping {0} seconds ... " -f ($start_sleep) )
for ($i=1 ; $i -le ([int]$start_sleep/$sleep_iteration) ; $i++)...
In C#, why is String a reference type that behaves like a value type?
...tance, an Int32 is always 4 bytes, thus the compiler allocates 4 bytes any time you define a string variable. How much memory should the compiler allocate when it encounters an int variable (if it were a value type)? Understand that the value has not been assigned yet at that time.
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