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Avoiding if statement inside a for loop?
... f(index++, e);
}
int main() {
using namespace std;
set<char> s{'b', 'a', 'c'};
// indices starting at 1 instead of 0
for_each_indexed(s, [](size_t i, char e) { cout<<i<<'\t'<<e<<'\n'; }, 1u);
cout << "-----" << endl;
vecto...
Hiding elements in responsive layout?
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New visible classes added to Bootstrap
Extra small devices
Phones (<768px) (Class names : .visible-xs-block, hidden-xs)
Small devices
Tablets (≥768px) (Class names : .visible-sm-block, hidden-sm)
Medium devices
Desktops (≥992px) (Class names : .visible-md...
sqlite3.ProgrammingError: Incorrect number of bindings supplied. The current statement uses 1, and t
I cannot figure out why this is giving me the error, The actual string I am trying to insert is 74 chars long, it's: "/gifs/epic-fail-photos-there-i-fixed-it-aww-man-the-tire-pressures-low.gif"
...
How to avoid warning when introducing NAs by coercion
...roblematic characters to NA first. For your particular problem, taRifx::destring does just that. This way if you get some other, unexpected warning out of your function, it won't be suppressed.
> library(taRifx)
> x <- as.numeric(c("1", "2", "X"))
Warning message:
NAs introduced by coerc...
Is there any kind of hash code function in JavaScript?
...
JavaScript objects can only use strings as keys (anything else is converted to a string).
You could, alternatively, maintain an array which indexes the objects in question, and use its index string as a reference to the object. Something like this:
var Ob...
Android Studio could not find any version that matches com.android.support:appcompat-v7:+
...io go to:
Tools >> Android >> SDK Manager
Select and install "Extras|Android Support Repository"
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How serious is this new ASP.NET security vulnerability and how can I workaround it?
...tain sensitive information like login information in a database connection string, or even link to an automouted sql-express database which you don't want someone to get hold of. But if you are following best practice you use Protected Configuration to encrypt all sensitive data in your web.config.
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How to enter a multi-line command
...t is preceded by a valid statement:
return
5
will not work.
Finally, strings (in all varieties) may also extend beyond a single line:
'Foo
bar'
They include the line breaks within the string, then.
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Call PowerShell script PS1 from another PS1 script inside Powershell ISE
...lit-Path : Cannot bind argument to parameter 'Path' because it is an empty string. At line:4 char:25 + $ScriptPath = Split-Path <<<< $MyInvocation.InvocationName + CategoryInfo : InvalidData: (:) [Split-Path], ParameterBindingValidationException + FullyQualifiedErrorId ...
How does a hash table work?
...s that computers (and their algorithms) deal with numbers better than with strings. So accessing a large array using an index is significantly much faster than accessing sequentially.
As Simon has mentioned which I believe to be very important is that the hashing part is to transform a large space...