Useful tips for everyday
How do you handle errors in your framework? Take advantage of language specific semantics and represent when something exceptional has happened. Exceptions are thrown and…
How do I test my transfer speed? To test connection speeds using iPerf: Download and install iPerf on the server. Open the terminal or command…
How do I count unique entries in a column? Count the number of unique values by using a filter Select the range of cells, or…
What is 24V DC power supply? 24 volt DC power supplies These circuits are built into devices like computers and televisions that need 24 volts…
How to create a new GeoTIFF in QGIS? Click the dropdown “Generate new color map” menu, and select RedYlGn. Change the Mode to Equal Inverval…
Does battery temperature affect charging speed? A higher current from the charging device can speed up the battery charging process. Heat is the worst enemy…
Where can I find information about KDE in Debian? You can find information about KDE’s software in Debian from the Debian Qt/KDE maintainers website. DebianJessie…
How do you check if a table exists in a schema? SELECT EXISTS ( SELECT FROM information_schema. tables WHERE table_schema = ‘schema_name’ AND table_name =…
How do you make a light shadow in Illustrator? Create a drop shadow Select an object or group (or target a layer in the Layers…
What is the gain of a passive filter? As there are two passive components within a passive filter design the output signal has a smaller…