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How do I check if a C++ std::string starts with a certain string, and convert a substring to an int?
...
Use an overload of rfind which has the pos parameter:
std::string s = "tititoto";
if (s.rfind("titi", 0) == 0) {
// s starts with prefix
}
Who needs anything else? Pure STL!
Many have misread this to mean "search backwards through the whole string looking for...
How do I grab an INI value within a shell script?
... This would have been elegant, but failed to get it to work in OS X (Catalina). It works from command prompt in zsh (current default shell), but once I put it into a script, I get the error syntax error near unexpected token '('. With bash, it silently fails both from prompt and script.
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Add a tooltip to a div
...pseudoelement of each [data-tooltip] object to be transparent, absolutely positioned and with data-tooltip="" value as content:
[data-tooltip]:before {
position : absolute;
content : attr(data-tooltip);
opacity : 0;
}
Define :hover:before hovering state of each [data-tool...
Google Play app description formatting
...ription (eg. indent, links, lists..). But I cannot find any website where possible formatting is listed. Google Help pages cannot help me either on this subject. There exists a lot of different formats and I don't really know which one to use (eg. HTML or wiki formatting..)
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Is there a better Windows Console Window? [closed]
...e window is wretched to use compared to terminal applications on linux and OS X such as "rxvt", "xterm", or "Terminal". Major complaints:
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Search and replace a line in a file in Python
...file:
from tempfile import mkstemp
from shutil import move, copymode
from os import fdopen, remove
def replace(file_path, pattern, subst):
#Create temp file
fh, abs_path = mkstemp()
with fdopen(fh,'w') as new_file:
with open(file_path) as old_file:
for line in old_f...
Benchmarking small code samples in C#, can this implementation be improved?
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I'd propose you to pass iteration count to the Action, and create the loop there (possibly - even unrolled). In case you're measuring relatively short operation this is the only option. And I'd prefer seeing inverse metric - e.g. co...
NPM modules won't install globally without sudo
...tion environment" issue. Like any other environment issue (like change of OS) the principle of "write once, test everywhere" still holds true.
– Tony O'Hagan
Sep 18 '14 at 6:54
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How to launch html using Chrome at “--allow-file-access-from-files” mode?
...ructions below.
--- For Linux ---
Since Python is usually available in most linux distributions, just run python -m SimpleHTTPServer in your project directory, and you can load your page on http://localhost:8000
In Python 3 the SimpleHTTPServer module has been merged into http.server, so the new...
Disable same origin policy in Chrome
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Close chrome (or chromium) and restart with the --disable-web-security argument. I just tested this and verified that I can access the contents of an iframe with src="http://google.com" embedded in a page served from "localhost...