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How do I prompt a user for confirmation in bash script? [duplicate]
...gestion (thanks!) and added the -n option to read to accept one character without the need to press Enter. You can use one or both of these.
Also, the negated form might look like this:
read -p "Are you sure? " -n 1 -r
echo # (optional) move to a new line
if [[ ! $REPLY =~ ^[Yy]$ ]]
then
[[ "...
Is there a way to make git pull automatically update submodules?
Is there a way to automatically have git submodule update (or preferably git submodule update --init called whenever git pull is done?
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Test if object implements interface
...safe way. For example:
if ("" instanceof java.io.Serializable) {
// it's true
}
yields true. Since:
if (null instanceof AnyType) {
// never reached
}
yields false, the instanceof operator is null safe (the code you posted isn't).
instanceof is the built-in, compile-time safe al...
Default height for section header in UITableView
I want to set the height of the first header in my UITableView. For the other headers I want them to remain the default height. What value/constant can I put in place of "someDefaultHeight" in the code below?
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Conceptually, how does replay work in a game?
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I think your initial thought was correct. To create a replay, you store all input received from the user (along with the frame number at which it was received) along with the initial seeds of any random number generators. To replay the ga...
How to log request and response body with Retrofit-Android?
I can't find relevant methods in the Retrofit API for logging complete request/response bodies. I
was expecting some help in the Profiler (but it only offers meta-data about response). I tried setting the log level in the Builder, but this doesn't help me either :
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How can I get a count of the total number of digits in a number?
How can I get a count of the total number of digits of a number in C#? For example, the number 887979789 has 9 digits.
16 A...
What's the best way to trim std::string?
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EDIT Since c++17, some parts of the standard library were removed. Fortunately, starting with c++11, we have lambdas which are a superior solution.
#include <algorithm>
#include <cctype>
#include <locale>
//...
how does array[100] = {0} set the entire array to 0?
... compiler fill values in char array[100] = {0}; ? What's the magic behind it?
4 Answers
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Dictionary vs Object - which is more efficient and why?
... default can be overridden by defining __slots__ in a new-style class definition. The __slots__ declaration takes a sequence of instance variables and reserves just enough space in each instance to hold a value for each variable. Space is saved because __dict__ is not created for each instance.
So ...