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Explain the use of a bit vector for determining if all characters are unique
...ify the size in constructor.
API. With bit vectors you will have easier to read code, probably something like this:
vector.SetFlag(4, true); // set flag at index 4 as true
for int you will have lower-level bit logic code:
checker |= (1 << 5); // set flag at index 5 to true
Also probably i...
How to list the tables in a SQLite database file that was opened with ATTACH?
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Not something easy to read or remember for use in the future; the builtin .tables command is more intuitive
– user649198
Feb 23 '13 at 22:02
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Difference between Java Enumeration and Iterator
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Iterators are fail-fast . i.e. when one thread changes the collection by add / remove operations , while another thread is traversing it through an Iterator using hasNext() or next() method, the iterator fails quickly by throwing ConcurrentModificationException . The...
How to get the input from the Tkinter Text Widget?
..._Box.get("1.0",END)
The first part, "1.0" means that the input should be read from line one, character zero (ie: the very first character). END is an imported constant which is set to the string "end". The END part means to read until the end of the text box is reached. The only issue with this is...
Free space in a CMD shell
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do you know why you've been minused? Because you don't read question carefully. Read: «without having to install some thirdparty applications». Though I personally like unxutils, it's not answer here.
– LogicDaemon
Oct 6 '14 at 14:52
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jQuery Call to WebService returns “No Transport” error
... @drachenstern Hm, I've always thought (and seem to remember always reading) that the scheme, host and port needed to be same. This and this and this seem to support my way of thinking about what constitutes the same domain.
– no.good.at.coding
Mar 9 '11...
MySQL: @variable vs. variable. What's the difference?
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@Pacerier: Am I reading the docs wrong? """To indicate explicitly that a variable is a session variable, precede its name by SESSION, @@session., or @@."""
– RobM
Apr 25 '15 at 16:32
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Save the console.log in Chrome to a file
...ves the clipboard as a .json file and opens in Visual Studio which is very readable. The only change is I do JSON.stringify(temp1, null, 2) to make it easier to read. The trick below to save the console works well as well.
– Wade Hatler
Dec 20 '18 at 1:33
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When to use static vs instantiated classes
...believe is the overly-complicated sounding term for this. LOTS and lots of reading on it all over SO and google-land. As far as "singletons" go, here is something that really made me think: slideshare.net/go_oh/… A talk on why PHP singletons really don't make any sense. Hope this contributes a lit...
How do I get the AM/PM value from a DateTime?
...lization.CultureInfo("en-US") in order to get this right (if you are not already running the thread in a US context)
– thomas
Jun 24 '15 at 11:06
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