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How to get current time and date in C++?
...
In C++ 11 you can use std::chrono::system_clock::now()
Example (copied from en.cppreference.com):
#include <iostream>
#include <chrono>
#include <ctime>
int main()
{
auto start = std::chrono::system_clock::now();
// Some computation ...
django-debug-toolbar not showing up
...s it's True.
If it's still not working, try adding '127.0.0.1' to INTERNAL_IPS as well.
UPDATE
This is a last-ditch-effort move, you shouldn't have to do this, but it will clearly show if there's merely some configuration issue or whether there's some larger issue.
Add the following to settings....
Resize HTML5 canvas to fit window
...itle>
<script type="text/javascript">
function resize_canvas(){
canvas = document.getElementById("canvas");
if (canvas.width < window.innerWidth)
{
canvas.width = window.innerWidth;
}
if (canvas.h...
rails 3 validation on uniqueness on multiple attributes
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In Rails 2, I would have written:
validates_uniqueness_of :zipcode, :scope => :recorded_at
In Rails 3:
validates :zipcode, :uniqueness => {:scope => :recorded_at}
For multiple attributes:
validates :zipcode, :uniqueness => {:scope => [:recorded_at...
How do you move a commit to the staging area in git?
...dows. Tilde and carot are explained at schacon.github.io/git/git-rev-parse#_specifying_revisions
– ahains
Jun 4 '15 at 18:52
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You need to use a Theme.AppCompat theme (or descendant) with this activity
...de.com/file/repository.grepcode.com/java/ext/com.google.android/android/4.4_r1/frameworks/base/core/res/res/values/themes.xml/
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Get TransactionScope to work with async / await
...on.Enabled))
{
// connection
using (var connection = new SqlConnection(_connectionString))
{
// open connection asynchronously
await connection.OpenAsync();
using (var command = connection.CreateCommand())
{
command.CommandText = ...;
// run command asynchronously...
How to define a two-dimensional array?
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[[0 for x in range(cols_count)] for x in range(rows_count)]
– songhir
Nov 27 '14 at 2:48
3
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How can I drop all the tables in a PostgreSQL database?
...at this will not remove the system tables (such as those that begin with pg_) as they are in a different schema, pg_catalog.
– congusbongus
Aug 4 '14 at 7:07
38
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MFC 的SetWindowPos 用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...面的软件，你就知道Z代表深度。这个参数接受5种值：HWND_BOTTOM、 HWND_NOTOPMOST、HWND_TOP、HWND_TOPMOST或者另一个窗口的句柄。而wFlags用来指定附加的选项。
你可以用它改变窗口的位置和大小，而且它允许你同时改变Z位置（当然，...