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Convert string to variable name in JavaScript
...ss true. Javascript does not have variable variables (such as $$varname in php) so this really is the only answer. Using window[varname] has the side-effect of introducing global variables, which might not be wanted. @Shaz I don't think you give modern JS interpreters enough credit. They are extreme...
Maximum length of the textual representation of an IPv6 address?
I want to store the data returned by $_SERVER["REMOTE_ADDR"] in PHP into a DB field, pretty simple task, really. The problem is that I can't find any proper information about the maximum length of the textual representation of an IPv6 address, which is what a webserver provides through $_SERVER...
Android SQLite DB When to Close
... way, you can easily check if the database is already in use by calling isDbLockedByCurrentThread or isDbLockedByOtherThreads on the single SQLiteDatabase object every time before you use it. this will prevent multiple manipulations to the database and save your application from a potential crash
...
How to strike through obliquely with css
... changing the pseudo element's size:
.strikediag {
display: inline-block;
position: relative;
}
.strikediag::before {
content: '';
position: absolute;
left: -0.1em;
right: -0.1em;
top: 0.38em;
bottom: 0.38em;
background: linear-gradient(to left top, transparent 45.5...
How to check for a valid Base64 encoded string
...ess logic is designed or is known to throw exceptions. Exception try/catch block is too expensive to be used as a decision block.
– Ismail Hawayel
Feb 27 '18 at 15:46
add a co...
Custom bullet symbol for elements in that is a regular character, and not an image
...;
text-indent: -1.2em;
}
li:before {
content: "►";
display: block;
float: left;
width: 1.2em;
color: #ff0000;
}
The important thing is to have the character in a floating block with a fixed width so that the text remains aligned if it's too long to fit on a single line.
...
What is a daemon thread in Java?
..., the JVM halts, and any remaining daemon threads are abandoned:
finally blocks are not executed,
stacks are not unwound - the JVM just exits.
Due to this reason daemon threads should be used sparingly, and it is dangerous to use them for tasks that might perform any sort of I/O.
...
How to query MongoDB with “like”?
...
In PHP, you could use following code:
$collection->find(array('name'=> array('$regex' => 'm'));
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Tainted canvases may not be exported
..."anonymous" ...)
Install a webserver on your development computer (IIS and PHP web servers both have free editions that work nicely on a local computer).
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...
How do I flush the cin buffer?
...ble.
See Using fflush(stdin).
Also, see http://ubuntuforums.org/showpost.php?s=9129c7bd6e5c8fd67eb332126b59b54c&p=452568&postcount=1 for an alternative.
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