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STL or Qt containers?
What are the pros and cons of using Qt containers ( QMap , QVector , etc.) over their STL equivalent?
14 Answers
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Get type of all variables
... "factor"
$Date
[1] "Date"
$Open
[1] "numeric"
$High
[1] "numeric"
... etc.
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How to pull request a wiki page on GitHub?
...g. named "personal") and push to it normally. That way one can also still fetch from the real origin repository normally to synchronize with the work of others.
– tne
Apr 4 at 17:56
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Using StringWriter for XML Serialization
...ncoding is one of the 8-bit options (i.e. UTF-8, Windows-1252, iso-8859-1, etc), then you must pass in as SqlDbType.VarChar. Failure to match the declared encoding with the proper 8 or 16 -bit SQL Server datatype will result in the "unable to switch the encoding" error that you were getting.
For ex...
How did Google manage to do this? Slide ActionBar in Android application
...up(ViewGroup viewGroup, boolean enabled) {
int childCount = viewGroup.getChildCount();
for (int i = 0; i < childCount; i++) {
View view = viewGroup.getChildAt(i);
if(view.isFocusable())
view.setEnabled(enabled);
if (view instanceof ViewGroup) {
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How does RegexOptions.Compiled work?
...tatic methods on the Regex class.
For example: Regex.Replace, Regex.Match etc.. all use the Regex cache.
The size of the cache can be increased by setting Regex.CacheSize. It accepts changes in size any time during your application's life cycle.
New regular expressions are only cached by the stat...
How come a non-const reference cannot bind to a temporary object?
...ed to modify rvalues (temporaries). It's forbidden for built-in types (int etc.), but it is allowed for user-defined types: (std::string("A")+"B").append("C").
– sbi
Oct 14 '09 at 16:51
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How to use WeakReference in Java and Android development?
...eturn;
}
textView.updateDropDownForFilter(adapter.getCount());
}
};
}
And the PopupDataSetObserver is used in setting adapter.
public <T extends ListAdapter & Filterable> void setAdapter(T adapter) {
if (mObserver == null) {
mObserver ...
What is Cache-Control: private?
...r" may mean many things: OS user, a browser user (e.g. Chrome's profiles), etc. It's not specified.
For me, a more concrete example of Cache-Control: private is that proxy servers (which typically have many users) won't cache it. It is meant for the end user, and no one else.
FYI, the RFC makes ...
Are there good reasons not to use an ORM? [closed]
... to know the framework instead of knowing the SqlConnection’s exceptions etc.
– hangy
Oct 11 '08 at 14:59
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