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Normalization in DOM parsing with java - how does it work?
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Aha ! its much more clear now. I don't know about data structures (???) and nodes. But I had a quick look at tree structure and, I am guessing that a computer might store "hello world" in the way you suggested. Is that right ?
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Strings are objects in Java, so why don't we use 'new' to create them?
... Strings, "Next iteration" would need to be instantiated 10 times, whereas now it will only be instantiated once.
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How to save CSS changes of Styles panel of Chrome Developer Tools?
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You can save your CSS changes from Chrome Dev Tools itself. Chrome now allows you to add local folders to your Workspace. After allowing Chrome access to the folder and adding the folder to the local workspace, you can map a web resource to a local resource.
Navigate to the Sources panel o...
Count number of matches of a regex in Javascript
... simply match on the string, like a standard string utility class method.
Now, here you can see that I'm dealing with issues with the input. With the following:
if (typeof re !== "string") {
return 0;
}
I am ensuring that the input isn't anything like the literal 0, false, undefined, or null...
How to check if variable is string with python 2 and 3 compatibility
... in Python 2 in the most generic manner,
isinstance(s, basestring)
will now also work for Python 3+.
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select count(*) from table of mysql in php
... removed entirely in 7. Let's make it easier to upgrade and start using it now.
$dbh = new \PDO($dsn, $user, $password);
$sth = $dbh->prepare('SELECT count(*) as total from Students');
$sth->execute();
print_r($sth->fetchAll());
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Replacing spaces with underscores in JavaScript?
...he string but all the other instances of spaces remain unchanged. Anybody know why?
9 Answers
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SQLite Reset Primary Key Field
...ely perturb the AUTOINCREMENT
key generation algorithm. Make sure
you know what you are doing before you
undertake such changes.
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Difference between . and : in Lua
...ccessing obj
--> 20
tab.obj:method(10)
--> Accessing obj
--> 10
Now imagine the __index metamethod did more than just printing something. Imagine it increased a counter, logged something to a file or deleted a random user from your database. There's a big difference between doing that twi...
Read a variable in bash with a default value
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I just wrote this comment following a scratched itch. I now have a shell function, which includes the above, and I tend to use that. Shell doesn't seem to loop nicely, so I try to avoid it. I might test the result from my function, and give one more try, but basically, I'm writi...