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Failed to execute 'btoa' on 'Window': The string to be encoded contains characters outside of the La
...
If you have UTF8, use this (actually works with SVG source), like:
btoa(unescape(encodeURIComponent(str)))
example:
var imgsrc = 'data:image/svg+xml;base64,' + btoa(unescape(encodeURIComponent(markup)));
var img = new ...
Can I use Twitter Bootstrap and jQuery UI at the same time?
...heme provides a decent alternative for others
that feel the same. To clarify, this project doesn't aim or intend to
replace Twitter Bootstrap. It merely provides a jQuery UI-compatible
theme inspired by Bootstrap's design. It also provides a version of
Bootstrap CSS with a few (minor) sectio...
Accessing an SQLite Database in Swift
...you should probably use one of the many SQLite wrappers, if you wanted to know how to call the SQLite library yourself, you would:
Configure your Swift project to handle SQLite C calls. If using Xcode 9 or later, you can simply do:
import SQLite3
Create/open database.
let fileURL = try! FileMan...
How to set custom header in Volley Request
...
If what you need is to post data instead of adding the info in the url.
public Request post(String url, String username, String password,
Listener listener, ErrorListener errorListener) {
JSONObject params = new JSO...
Python logging: use milliseconds in time format
...e(self, record, datefmt=None):
ct = self.converter(record.created)
if datefmt:
s = time.strftime(datefmt, ct)
else:
t = time.strftime("%Y-%m-%d %H:%M:%S", ct)
s = "%s,%03d" % (t, record.msecs)
return s
Notice the comma in "%s,%03d". This can not be fixed by ...
How to get the error message from the error code returned by GetLastError()?
...
//Returns the last Win32 error, in string format. Returns an empty string if there is no error.
std::string GetLastErrorAsString()
{
//Get the error message, if any.
DWORD errorMessageID = ::GetLastError();
if(errorMessageID == 0)
return std::string(); //No error message has bee...
How can I capture the result of var_dump to a string?
...rray(
)),
'resource' => NULL, // Note that this resource pointer is now NULL
'null' => NULL,
)
var_dump ($debug_dump in above example):
array(8) {
["bool"]=>
bool(false)
["int"]=>
int(1)
["float"]=>
float(3.14)
["string"]=>
string(11) "hello world"
["arr...
warning: implicit declaration of function
...
As an addition if you have given the prototype check that it isn't just a typo. Also if its from an external library check that you have included it.
– smitec
Dec 9 '11 at 3:53
...
Which is better in python, del or delattr?
...is translates into the first running slightly faster (but it's not a huge difference – .15 μs on my machine).
Like the others have said, you should really only use the second form when the attribute that you're deleting is determined dynamically.
[Edited to show the bytecode instructions genera...
What is “rvalue reference for *this”?
...n"; }
};
int main(){
test t;
t.f(); // OK
test().f(); // OK too
}
Now, onto why @Nicol's answer is atleast partly wrong. He says:
Note that this declaration changes the type of *this.
That is wrong, *this is always an lvalue:
§5.3.1 [expr.unary.op] p1
The unary * operator performs indir...