I began to use the TWebBrowser component to display the help topic in my programs. In this version, it’s quite simple – we put the usual html-files in a folder and, if necessary, call WebBrowser.Navigate(HelpDir + ‘index.html’);
html already contains everything that your heart desires, with pictures, cross-references and scripts available to InternetExplorer.

Everything became much more interesting when I wanted to display information from the database through it, and also programmatically make changes on the displayed page. As it turned out, this is all possible.
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The main purpose of this script is educational. The script shows how you can solve the problem of authorized access to some data. In addition to authorization, the example also implements the forms for viewing, adding, editing and deleting users. Also minimal security is observed – the data is filtered, the types are checked, the passwords are not stored and are not transmitted in the clear. I know that MD5 bruteforce very quickly, so to work, use your own, more reliable algorithms 😉

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These headphones have been remarkable Chinese bought me at aliexpress for $ 15 and a half years ago and I even almost started to demand the return, failing to include them almost daily. Most of the instructions states that in order to enable it to press and hold the call button, but in my case it was not working. It turned out that the headphones BH503 included if at the same time hold down the “Volume +” at the end and the call button. If you hold these buttons a little longer, then they move to the connection mode, as evidenced by the rapid blinking of the LED. In doing so, they actually differ from the branded headphones nokia.

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Probably many of the fans of development on microcontrollers least a couple of times but the thought of the possibility of the control device using a standard IR remote control from the TV. Particularly captivating is that to connect the IR sensor TSOP4836 required just simply one free pin and two resistors! Once I tried this option.
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Once there, the in 2005, I got sick of the idea of creating a knowledge base that does not have a clear table structure and would work on the principle of named nodes and links between them. The idea was such that the node itself is not carrying any information and all information would set its surroundings and relationships. I then wrote a little code repository of nodes and links, as well as simple operations on them, but do not store information in the nodes was too hard and I’m tied to each node one text property (in Neo4j in a knot, you can burn a lot of properties of different types and then refer to them by name).

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In a previous post I wrote about my experience of buying LED lamps. A couple of days ago I finally was covered with the first of them and I hope for their maintainability, I decided to restore it.

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Owners wonderful charging IMAX B6 is well known that it has a jack for connecting to a computer, but the truth is no USB interface adapter many stops.And I wanted to get interesting graphics in the process of testing the batteries on aliexpress and I ordered a USB-adapter (PL2303HX USB) worth $1.6.

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Probably there are few in the house who used to illuminate the bulb. For years, all of them are gradually replaced by more fuel-efficient fluorescent. But now the market is even more energy-saving bulbs – LED. However, their widespread use hinders a very high price. Significantly also save when they purchase can be ordered through the Chinese, through aliexpress, which I did, because the money was sorry and try very much.

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Some techniques for working with the component cxGrid, collected from various sources and helpful to me personally.

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