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std::vector versus std::array in C++
...owing elements behind the scenes).
Since it stores the elements in memory allocated on the heap, it has some overhead in respect to static arrays.
std::array is a template class that encapsulate a statically-sized array, stored inside the object itself, which means that, if you instantiate the cla...
Stop handler.postDelayed()
...ges(null);
Docs
public final void removeCallbacksAndMessages (Object token)
Added in API level 1 Remove any pending posts of callbacks and sent
messages whose obj is token. If token is null, all callbacks and
messages will be removed.
Or you could also do like the following:
Handle...
How do I find the PublicKeyToken for a particular dll?
...ll")).FullName
The output will provide the Version, Culture and PublicKeyToken as shown below:
MyDLL, Version=1.0.0.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a
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What are allowed characters in cookies?
... standard many more special characters are disallowed, as it uses RFC 2616 tokens (a - is still allowed there), and only the value may be specified in a quoted-string with other characters. No browser ever implemented the limitations, the special handling of quoted strings and escaping, or the new f...
What is the difference between char s[] and char *s?
...puts the literal string in read-only memory and copies the string to newly allocated memory on the stack. Thus making
s[0] = 'J';
legal.
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How do I comment on the Windows command line?
...w that I know about it, "&:: misc comment text". For example:
REM SET Token="4C6F72656D20697073756D20646F6C6F" &REM This token is for localhost
SET Token="722073697420616D65742C20636F6E73" &REM This token is for production
This makes it easy to keep track of multiple sets of values wh...
Recommended way of making React component/div draggable
...FPS for me in every browser I tried.
const throttle = (f) => {
let token = null, lastArgs = null;
const invoke = () => {
f(...lastArgs);
token = null;
};
const result = (...args) => {
lastArgs = args;
if (!token) {
token = request...
What does the brk() system call do?
... set the break address to the end of the data segment. The first call to malloc would then use sbrk to move the break up and create the heap in between the top of the data segment and the new, higher break address, as shown in the diagram, and subsequent use of malloc would use it to make the heap ...
Can I mask an input text in a bat file?
...me uncomfortable. Avoid doing that by doing this instead: for /f "usebackq tokens=*" %%p in (``powershell -Command "$pword = read-host 'Enter Password' -AsSecureString ; $BSTR=[System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($pword); [System.Runtime.InteropServices.Marshal]::PtrToStringA...
When to use ' (or quote) in Lisp?
...hash tables.
This is where quote comes in. Say you want to plot resource allocations from a Python application, but rather do the plotting in Lisp. Have your Python app do something like this:
print("'(")
while allocating:
if random.random() > 0.5:
print(f"(allocate {random.randin...