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How to loop through files matching wildcard in batch file
...t of base filenames, for each name 'f' there are exactly two files, 'f.in' and 'f.out'. I want to write a batch file (in Windows XP) which goes through all the filenames, for each one it should:
...
How to merge two arrays in JavaScript and de-duplicate items
...ijendra","Singh"];
var array2 = ["Singh", "Shakya"];
// Merges both arrays and gets unique items
var array3 = array1.concat(array2).unique();
This will also preserve the order of the arrays (i.e, no sorting needed).
Since many people are annoyed about prototype augmentation of Array.prototype and ...
IF… OR IF… in a windows batch file
...lternative is to use an indicator variable. Initialize it to be undefined, and then define it only if any one of the OR conditions is true. Then use IF DEFINED as a final test - no need to use delayed expansion.
FOR ..... DO (
set "TRUE="
IF cond1 set TRUE=1
IF cond2 set TRUE=1
IF defined TR...
How can I list ALL DNS records?
... example, to reduce the size of the response).
An AXFR is a zone transfer and is likely what you want. However, these are typically restricted and not available unless you control the zone. You'll usually conduct a zone transfer directly from the authoritative server (the @ns1.google.com below) and...
How do 20 questions AI algorithms work?
...nstead of taking into account all questions which have been answered, you randomly pick a smaller subset, which is enough to give you a single answer. Now you repeat that a few times with different random subset of questions, till you see that most of the time, you are getting the same result. you t...
Can we pass parameters to a view in SQL?
...
What are the practical differences between this and a view? Can you assign user permissions to only access this function?
– MikeMurko
Oct 22 '12 at 17:44
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HTML5 Audio stop function
...the <audio> keeps loading also with preload attribute forced to none and the <source>'s src stripped out.
– Pioneer Skies
Dec 2 '15 at 11:34
6
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“register” keyword in C?
...ve read that it is used for optimizing but is not clearly defined in any standard. Is it still relevant and if so, when would you use it?
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Does Python have an ordered set?
...s referred to from the Python 2 Documentation. This runs on Py2.6 or later and 3.0 or later without any modifications. The interface is almost exactly the same as a normal set, except that initialisation should be done with a list.
OrderedSet([1, 2, 3])
This is a MutableSet, so the signature for ...
Get first key in a (possibly) associative array?
... possibly associative array? My first thought it to just foreach the array and then immediately breaking it, like this:
21 ...