It seems to be a big discussion about US government agencies, like the NSA, accessing user data from Google and Facebook. As of this i got asked how that can be a problem as the HTTPS is secure anyway. I would like to explain here what the difference is between HTTPS and privacy! … Continue reading
The NSA and HTTPS facebook privacy
Posted in Security
Tagged facebook pricavy, google and nsa, https facebook, the nsa
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Change author of SVN commit
What can you do when you have for some reason the wrong author in your SVN commit? This is something that should never happen you might think. But what if it happened? Let me tell you, there is a solution. Continue reading
Posted in Version control system
Tagged Subversion, SVN, SVN Hook
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Splitting up an SVN repository
When I was creating my SVN repository I was lazy and created just one repository for all my projects. This was easy to administrate and to use; only one repository to configure with user names and passwords, only one URL to remember, … How to split it up now? Continue reading
Posted in Version control system
Tagged Subversion, SVN
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Change file time on Linux or Mac OS X
Changing the date of a file under Linux or Mac OS X can be quite a challenge. As far as I know both do not provide a UI (User Interface) option to do this out of the box, but what both operating systems do provide are the tools needed to do it in the console. I wanna show how … Continue reading
Posted in Linux Administration, MacOSX
Tagged File time, Linux, Mac OS X
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Why is my Symfony 2 app crashing with an out of memory error?
I’ve recently run into an issue where a data-processing task in a Symfony app would crash with a PHP ‘Out of memory’ fatal error. The task in question was using Doctrine to retrieve some rows from the database, updating some … Continue reading
SPF and multiple domain mailserver
We all hate spam, right? I think you all know the annoying emails, but what is worse than receiving emails? How about when emails you send to someone are for some reason detected as spam? This happened to me recently. … Continue reading
Posted in DNS, Linux Administration, Mailserver
Tagged DNS, Linux, Mailserver, postfix, Sender Policy Framework, SPF
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Is MongoDB always faster then MySQL?
This is another classic question you might have come across, but can this question simply be answered with a YES or NO? Well, I would not write about it if the answer was that easy! Continue reading
Posted in Database
Tagged Database Design, Database Indexes, MongoDB, MySQL, Performance
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PHP “headers already sent”, but I didn’t do it!
I get the PHP Error “headers already sent” when calling a PHP script! My scripts appear to be outputting data to the browser before any function to manage the buffer such as ob_flush() or ob_get_contents() is even being called! What is going on!? Continue reading
Posted in PHP
Tagged Character set, File encoding, PHP, UTF-8
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My HTML-form mysteriously stopped working, why?
Nobody changed it, why is it not working anymore? You can imagine the confusion after checking the version control and the files which where unchanged since the time the website was finished (lets say about 4 years). Continue reading
Posted in PHP, Web technologies
Tagged HTML, Image submit button, PHP
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What version of Firefox is this user agent string?
Is it really a Firefox browser? When I was first shown the user agent string below and asked ‘what version of Firefox is this?’ At first I took this at face value, it’s obviously a Firefox browser, it says “Mozilla” right there, right? Digging a little deeper, it turned out not only was this wrong, but the question was wrong as well! …
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Posted in Web technologies
Tagged Firefox, User agent string
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