大约有 30,000 项符合查询结果（耗时：0.0324秒） [XML]
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 ...
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
...
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 ...
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 set a timer in android
What is the proper way to set a timer in android in order to kick off a task (a function that I create which does not change the UI)?
Use this the Java way:
http://docs.oracle.com/javase/1.5.0/docs/api/java/util/Timer.html
...
How to 'minify' Javascript code
...
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 ...
How does one write code that best utilizes the CPU cache to improve performance?
...
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...
python setup.py uninstall
..., you have installed (and which were detected by pip).
The name can be sometime long, then use just the name of the package being shown at the and after #egg=. You can also in most cases ignore the version part (whatever follows == or -).
Then uninstall the package:
$ pip uninstall package.name.yo...
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 ...
Ways to save enums in database
...
@LuisGouveia I agree with you that the time could double. Causing a query that takes 12.37 ms to instead take 12.3702 ms. That's what i mean by "in the noise". You run the query again and it takes 13.29 ms, or 11.36 ms. In other words, the randomness of the thread...