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STL or Qt containers?
...tees.
We know the minimal bound of wasted space for a vector is the square root of the length of the vector, but there seems to be no way to implement this in Qt; the various "optimizations" they support would preclude this very important space saving feature. The STL does not require this feature (...
In Firebase, is there a way to get the number of children of a node without loading all the node dat
... });
Refer :https://firebase.google.com/docs/functions/database-events
root--|
|-users ( this node contains all users list)
|
|-count
|-userscount :
(this node added dynamically by cloud function with the user count)
...
Edit changeset comment after updates have been checked in to TFS
...opriate point in your source tree in the Source Explorer window, maybe the root of the branch but you can also drill down a bit
...or, if you know a specific file that was included in the changeset then find it and select it (can be done from the Solution Explorer panel)
right click, select View His...
bundle install returns “Could not locate Gemfile”
... Because in my situation I can't get access bundle command in everywhere. [root@alc bin]# BUNDLE_GEMFILE="../../apps/redmine/htdocs/Gemfile" ./bundle install is my command to execute.
– uzay95
Jan 30 '15 at 10:43
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django order_by query set, ascending and descending
...ll work, but you only need to add all() when you want all objects from the root QuerySet.
More on this here:
https://docs.djangoproject.com/en/dev/topics/db/queries/#retrieving-specific-objects-with-filters
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Storing Image Data for offline web application (client-side storage database)
...able for most databases using localhost on a suitable port (e.g., 3306 for MySQL). I believe the applet tag is deprecated in Html5 but it still works. No experience on Android tablets, so can't comment on that part.
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I need to securely store a username and password in Python, what are my options?
...t read them. Check file permissions, for example. Of course any users with root permission will be able to read them, but that can't be helped.
Option 3: Configuration Files
This is very similar to the environment variables, but you read the secrets from a text file. I still find the environment v...
Where does PHP's error log reside in XAMPP?
...
On my version of XAMPP the root folder is lampp instead of xampp. Otherwise the location is the same.
– posfan12
Jan 8 '15 at 0:50
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解决：CTreeCtrl控件SetCheck无效的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ialog();
。。。
// TODO: Add extra initialization here
HTREEITEM hRoot = m_Tree.InsertItem("Root");
m_Tree.SetCheck(hRoot);
m_Tree.InsertItem("Child1", hRoot);
m_Tree.InsertItem("Child2", hRoot);
m_Tree.Expand(hRoot, TVE_EXPAND );
return TRUE;
}
但是，对话框运行以后...
Git submodule update
...
To update each submodule, you could invoke the following command (at the root of the repository):
git submodule -q foreach git pull -q origin master
You can remove the -q option to follow the whole process.
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