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Easy way to concatenate two byte arrays
...enating 3, 4, 5 arrays, etc.
Doing it this way gives you the advantage of fast arraycopy code which is also very easy to read and maintain.
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fol...
Structs in Javascript
...that trying to make JavaScript more like another language gets complicated fast, but I fully support using JavaScript classes as functionless structs.
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Deserializing a JSON into a JavaScript object
...ng).
However, eval is risky. From json.org:
The eval function is very fast.
However, it can compile and execute any JavaScript program,
so there can be security issues.
The use of eval is indicated when the source is trusted and competent.
It is much safer to use a JSON parser.
In web...
Wait for page load in Selenium
... the dom to be in ready state. But consider that if your code executes too fast the previous page might not be unloaded yet and it will return true even though you are still on the old page. What you need to do is wait for the current page to unload and then call your above code. A way to detect pag...
Find a file in python
...ng Python on Ubuntu and you only want it to work on Ubuntu a substantially faster way is the use the terminal's locate program like this.
import subprocess
def find_files(file_name):
command = ['locate', file_name]
output = subprocess.Popen(command, stdout=subprocess.PIPE).communicate()[0...
How can I pass an argument to a PowerShell script?
There's a PowerShell script named itunesForward.ps1 that makes iTunes fast forward 30 seconds:
7 Answers
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Is there a way to create a function from a string with javascript?
...roblems, one of which this comment is designed to fix. It's not a hard and fast rule, and you'll notice the comment is in the form of a suggestion not a command.
– Dan Smith
May 12 '16 at 11:23
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SQL Update with row_number()
...s where the value hasn't changed. I have to say I was astonished as to how fast it could run my query.
Disclaimer: I'm no DB expert, and I'm using PARTITION BY for my clause so it may not be exactly the same results for this query. For me the column in question is a customer's paid order, so the va...
Best way to synchronize local HTML5 DB (WebSQL Storage, SQLite) with a server (2 way sync) [closed]
...e than 25 apps in production (iOS and Android). WebSQL is really great and fast. It's working on iOS, Android, Blackberry (the latest version I think) and of course chrome and safari. But it's not working on IE and firefox, because the API has been depreciated by W3C..
– Samuel...
How can I update window.location.hash without jumping the document?
...not work well with Internet Explorer: as its Javascript engine is not very fast, you can notice the scroll increase and decrease, which produces a nasty visual effect.
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