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What does %~d0 mean in a Windows batch file?
...nment variable name is not
defined or the file is not found by the
search, then this modifier expands to the
empty string
You can find the above by running FOR /?.
share
...
JavaScript regex multiline flag doesn't work
...modifier. It forces the dot . to also match newlines, which it does not do by default.
The bad news is that it does not exist in JavaScript (it does as of ES2018, see below). The good news is that you can work around it by using a character class (e.g. \s) and its negation (\S) together, like this:...
How to add 30 minutes to a JavaScript Date object?
...;
}
And just in case this is not obvious, the reason we multiply minutes by 60000 is to convert minutes to milliseconds.
Be Careful with Vanilla Javascript. Dates Are Hard!
You may think you can add 24 hours to a date to get tomorrow's date, right? Wrong!
addMinutes(myDate, 60*24); //DO NOT DO ...
Using .gitignore to ignore everything but specific directories
...w it worked for me. If someone cares to offer a more informed explanation by all means.
Also, these answers helpful:
how-do-negated-patterns-work-in-gitignore
how-do-gitignore-exclusion-rules-actually-work
NOTE: I tried using double-wildcard 'globs' but according to this that functionality i...
Break out of a While…Wend loop
...
A While/Wend loop can only be exited prematurely with a GOTO or by exiting from an outer block (Exit sub/function or another exitable loop)
Change to a Do loop instead:
Do While True
count = count + 1
If count = 10 Then
Exit Do
End If
Loop
Or for looping a set num...
Linux bash: Multiple variable assignment
...ng the answer bash supporting this syntax was less common (as in installed by default), though I'm not 100% sure.
– Michael Krelin - hacker
Oct 21 '15 at 19:30
4
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SQLite Concurrent Access
Does SQLite3 safely handle concurrent access by multiple processes
reading/writing from the same DB? Are there any platform exceptions to that?
...
Places where JavaBeans are used?
...forward(request, response);
}
In for example a JSP page you can access it by EL, which follows the Javabean conventions, to display the data:
<table>
<tr>
<th>ID</th>
<th>Name</th>
<th>Birthdate</th>
</tr>
<...
Git - working on wrong branch - how to copy changes to existing topic branch
...ou won't lose anything. (This was actually mentioned in the comments first by Cascabel)
As other people have mentioned in the comments, if branch123 doesn't exist yet, you can do
git checkout -b branch123
Based on what I found here.
...
How to convert object array to string array in Java
..., I found out that performance is not as good as building the array myself by iterating. (Too bad though, I liked it as a one-liner!)
– mdup
Jun 12 '13 at 15:48
1
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