Category Archives: howtos

12 things I hate about iOS development

Originally posted as “10+ things I hate about iOS development” on Medium March 11. As you might know, I finally released the first iOS versions of LIKE A HIPSTER and Hungry?. So I finally stumbled upon iOS development, although I … Continue reading

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Integration Test Coverage with Sonar

I love to develop test driven, but even more I love code analysis tools that show me what to improve. Sonar is quite “popular” and common for Java developers and I’m using it already for years in different projects. If … Continue reading

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Aus der Serie “Ich bin Ingenieur, ich kann das”: Wie man sein Nexus 4 repariert

Als Ingenieur hab ich keine Scheu davor, Geräte und Maschinen auseinander zu nehmen. Die  Eingeweide von Computern und Notebooks sind mir bestens bekannt, meine Vespa kenne ich auch nackt, letztens musste der Geschirrspüler dran glauben und alles, was zu schrauben … Continue reading

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Java: break, continue, return in Loops

Although this is pretty basic Java functionality I often have to look this up, because I confound these calls, esp. break and continue. So this is my cheat sheet: Break for (..) {   ..   // leave loop immediately   break;   .. … Continue reading

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SyBase: List Constraints to Foreign Key

select fko.name    “Foreign key name”, par.name    “Referenced table name”, fk1.name || ‘ -> ‘ || pk1.name “Reference 1”, fk2.name || ‘ -> ‘ || pk2.name “Reference 2”, fk3.name || ‘ -> ‘ || pk3.name “Reference 3”, fk4.name || ‘ -> … Continue reading

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APN bob

Internetzugang: Name: bob.data APN: bob.at Proxy: Port: Nutzername: data@bob.at Passwort: ppp Server: start.bob.at MMSC: MMS-Proxy: MMS-Port: MCC: 232 MNC: 11 APN-Typ: default Authentifizierungstyp: normal od. pap . MMS Empfang: Name: data.bob MMS APN: mms.bob.at Proxy: Port: Nutzername: data@bob.at Passwort: ppp … Continue reading

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Neuen Rechner aufsetzen

Meine Checkliste: OS + Updates + fehlende Treiber Daten-Partition erstellen Festplattenverschlüsselung TrueCrypt Virenschutz/Firewall Internetprogramme Firefox/Chrome + firebug +laafi amazon extension Skype Thunderbird + Lightning, Google Contacts, Google Kalender, Smiley Fixer, English Dictionary, Deutsches Wörterbuch, Provider for Google Calendar Vuze Cisco VPN … Continue reading

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Android-Handy verloren oder gestohlen?

Mit wurde vor kurzem mein geliebtes Nexus S gestohlen. Anfangs war ich etwas panisch, was dann alles zu erledigen ist, deswegen schreibe ich mir (und euch) eine Checkliste: Google-Passwort ändern! SIM-Karte sperren lassen und neue SIM-Karte organisieren (leider schickt Bob … Continue reading

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Java – CertificateException: No name matching xxx found

At paysafecard we have a lot to deal with certificates. For our test systems we use one SSL certificate for different sub-domains, e.g. one certificate for “https://test.yunacard.com” used for “https://testa.yunacard.com” and “https://testb.yunacard.com”. But when you do this, you get a … Continue reading

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Java: Rounding error from Double to BigDecimal

Today’s amusement in my job: Rounding error from Double to BigDecimal, see java docs for public BigDecimal(double val). Java creates a BigDecimal which is exactly equal to 0.1 (an unscaled value of 1, with a scale of 1), but it is … Continue reading

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