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Get first n characters of a string
How can I get the first n characters of a string in PHP? What's the fastest way to trim a string to a specific number of characters, and append '...' if needed?
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How to start a Process as administrator mode in C# [duplicate]
...achines running Vista and Win7. The started program inherits the security token from the starter program. If the starter has acquired admin privileges, the started program has them as well.
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NodeJS: Saving a base64-encoded image to disk
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UPDATE
I found this interesting link how to solve your problem in PHP. I think you forgot to replace space by +as shown in the link.
I took this circle from http://images-mediawiki-sites.thefullwiki.org/04/1/7/5/6204600836255205.png as sample which looks like:
Next I put it through htt...
Best practices: throwing exceptions from properties
...t won't; it could easily be calling code that does. Even the simple act of allocating a new object (like a string) could result in exceptions. You should always write your code defensively and expect exceptions from anything you invoke.
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How to close IPython Notebook properly?
...; juypter notebook list
Currently running servers:
http://localhost:8888/?token=ef12021898c435f865ec706d7c9af8607a7ba58bbee98632 :: /Users/username/jupyter-notebooks [/code]
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MySQL: Fastest way to count number of rows
...ach time you try to count all rows. (based on primary key's column)
Using PHP to count rows is not very smart, because you have to send data from mysql to php. Why do it when you can achieve the same on the mysql side?
If the COUNT(*) is slow, you should run EXPLAIN on the query, and check if inde...
How to validate phone numbers using regex
... phone number is 1' OR 1=1 -- PWNED. See xkcd.com/327 and owasp.org/index.php/Testing_for_SQL_Injection_(OWASP-DV-005)
– Aaron Newton
Sep 19 '13 at 8:31
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When should I use std::thread::detach?
...'s a situation when using detach would be a less evil alternative to, say, allocating thread object with dynamic storage duration and then purposely leaking it.
#include <LegacyApi.hpp>
#include <thread>
auto LegacyApiThreadEntry(void)
{
auto result{NastyBlockingFunction()};
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How to construct a WebSocket URI relative to the page URI?
...an also be used for other purposes by the websocket server such as passing tokens (e.g. via query params), etc.
– kanaka
Apr 11 '17 at 20:54
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Convert object string to JSON
...a'] }"
JSON.parse(invalidJSON)
//Result: Uncaught SyntaxError: Unexpected token h VM1058:2
JSON.parse(JSONize(invalidJSON))
//Result: Object {hello: "world", foo: 1, bar: "2", foo1: 1, _bar: 2…}
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