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NodeJS: Saving a base64-encoded image to disk
...
UPDATE
I found this interesting link how to solve your problem in PHP. I think you forgot to replace space by +as shown in the link.
I took this circle from http://images-mediawiki-sites.thefullwiki.org/04/1/7/5/6204600836255205.png as sample which looks like:
Next I put it through htt...
Check if an array is empty or exists
... tested all other possibilities, we're talking to an instance of Array. In order to make sure it's not empty, we ask about number of elements it's holding, and making sure it has more than zero elements.
firstArray = [];
firstArray.length > 0; // => false
secondArray = [1,2,3];
secondArray....
What exactly is an Assembly in C# or .NET?
...
The answer is in order for immediate-grasping.
Put simply, it is the compiled project involving your classes and additional files, if there are. That is, each project in a
solution is assembly.
Or more techinally,
An assembly is w...
MySQL: Fastest way to count number of rows
...ach time you try to count all rows. (based on primary key's column)
Using PHP to count rows is not very smart, because you have to send data from mysql to php. Why do it when you can achieve the same on the mysql side?
If the COUNT(*) is slow, you should run EXPLAIN on the query, and check if inde...
What's the fastest way to delete a large folder in Windows?
... to the recycle bin, but the explorer will still try to count all files in order to get an estimate, which takes ages for large folders (> 100k files)
–
mongodb/mongoose findMany - find all documents with IDs listed in array
... Kind of late to this discussion, but how would you ensure the order of the items returned matches the order of the array of items you provide in the array? Documents are not guaranteed to come out in any order unless you specify a sort. What if you want them sorted in the same order you...
In what areas might the use of F# be more appropriate than C#? [closed]
...nto the calculation engine was in the form of vectors and matrices. Higher order functions eat these for breakfast with minimal fuss, minimal code. Beautiful.
Lack of bugs Functional programming can feel strange. I can be working on an algorithm, trying hard to get the code to pass the type checker...
Signed versus Unsigned Integers
...
little vs. big endian has to do with the order of the bytes on the platform. Little endian might do 0xFF 0xFE 0x7F while big endian will do 0x7F 0xFE 0xFF.
– Jasper Bekkers
Oct 29 '08 at 18:35
...
Storing time-series data, relational or non?
...has to handle ~3 million measures with a 1 minute frequency? How would you order the PK for such a table? Wouldn't Device, Metric, DateTime create fragmentation and force the RDBMS to lots of page split? Instead putting DateTime first would reduce fragmentation (I'm assuming time ordered inserts) bu...
Wildcards in a Windows hosts file
...ions Indexes FollowSymLinks Includes ExecCGI
AllowOverride All
Order allow,deny
Allow from all
</Directory>
<VirtualHost *:80>
VirtualDocumentRoot c:/xampp/sites/%-1/%-2+/
</VirtualHost>
This allows me to add an entry like:
127.0.0.1 test.de...