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Why does base64 encoding require padding if the input length is not divisible by 3?
... the protocol used padding, there would be no need to transmit a length at all. The data could be encoded as it came in from the camera, each chunk terminated with padding, and the receiver would be able to decode the stream correctly.
Obviously that's a very contrived example, but perhaps it illus...
Call a function with argument list in python
I'm trying to call a function inside another function in python, but can't find the right syntax. What I want to do is something like this:
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How do I get the dialer to open with phone number displayed?
I don't need to call the phone number, I just need the dialer to open with the phone number already displayed. What Intent should I use to achieve this?
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Remote debugging with Android emulator
...sh -NL 5554:localhost:5554 -L 5555:localhost:5555 myuser@remote-server
killall adb; adb devices
I believe the emulator tries to notify a local adb server at startup; hence the need to restart adb in order for it to probe the local 5554+ ports.
Note that the localhost in the ssh command refers to ...
PDO's query vs execute
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query runs a standard SQL statement and requires you to properly escape all data to avoid SQL Injections and other issues.
execute runs a prepared statement which allows you to bind parameters to avoid the need to escape or quote the parameters. execute will also perform better if you are repeat...
how to get the host url using javascript from the current page
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@MattBrowne When working with something that shall produce a string I'd say you should always use concat. In example var a = 1 + 2 + " should be 12"; vs the concat version of this var a = "".concat(1).concat(2).concat(" should be 12");. Using concat will save you a lot of...
Converting Stream to String and back…what are we missing?
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@Mortennobel ToArray() allocates a new array in memory and copies data over from the buffer, which may have serious implications if you're dealing with a lot of data.
– Levi Botelho
Apr 28 '19 at 21:01
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Is there a way to disable the Title and Subtitle in Highcharts?
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Could you take a look at this for me? I've done all the suggestions here and there is still a huge white space, (see the print button floating in space in the top right?) goo.gl/jHR5l
– D3Chiq
Apr 10 '13 at 16:21
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What's “this” in JavaScript onclick?
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Yea... you didn't really answer the question :-/ nothing personal!
– Dave
Oct 23 '12 at 10:48
1
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Ternary operator (?:) in Bash
... 20 -- this can also be a result of an expression.
This approach is technically called "Parameter Expansion".
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