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How to redirect output to a file and stdout
... The likely situation is some program or script is working hard for a long time and producing a lot of output. The user wants to check it periodically for progress, but also wants the output written to a file.
The problem (especially when mixing stdout and stderr streams) is that there is reliance ...
How to get Android crash logs?
...is located in $SDK_DIR/platform-tools/. To show error: .\adb.exe logcat -v time *:E
– Harun
Apr 19 '18 at 3:45
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HTML input - name vs. id [duplicate]
...f the name and id attributes especially that I found that they are sometimes named the same?
13 Answers
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How to detect Safari, Chrome, IE, Firefox and Opera browser?
...!!window.chrome && (!!window.chrome.webstore || !!window.chrome.runtime);
// Edge (based on chromium) detection
var isEdgeChromium = isChrome && (navigator.userAgent.indexOf("Edg") != -1);
// Blink engine detection
var isBlink = (isChrome || isOpera) && !!window.CSS;
var ...
Why are C character literals ints instead of chars?
...ting code.
In the dark days of early C there were no types at all. By the time I first learnt to program in C, types had been introduced, but functions didn't have prototypes to tell the caller what the argument types were. Instead it was standardised that everything passed as a parameter would eit...
How to force a web browser NOT to cache images
...ure.jpg?1222259157.415" alt="">
Where "1222259157.415" is the current time on the server.
Generate time by Javascript with performance.now() or by Python with time.time()
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How does one write code that best utilizes the CPU cache to improve performance?
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The cache is there to reduce the number of times the CPU would stall waiting for a memory request to be fulfilled (avoiding the memory latency), and as a second effect, possibly to reduce the overall amount of data that needs to be transfered (preserving memory bandwi...
What's the point of const pointers?
...d use in pursuit of a very important C++ concept:
Find bugs at compile-time, rather than run-time, by getting the compiler to enforce what you mean.
Even though it doesn't change the functionality, adding const generates a compiler error when you're doing things you didn't mean to do. Imagine ...
If Python is interpreted, what are .pyc files?
...f and can compile to a huge variety of "back-end" forms including "just-in-time" generated machine language). They're all Python (=="implementations of the Python language") just like many superficially different book objects can all be Bibles (=="copies of The Bible").
If you're interested in CPy...
How to 'minify' Javascript code
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When you write a function you have an idea, start to write stuff and sometimes you end up with something like the following code.The code works.Now most people stop thinking and add this to a minifier and publish it.
function myFunction(myNumber){
var myArray = new Array(myNumber);
var ...