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What happens if you call erase() on a map element while iterating from begin to end?
...ng erase. At this point it is too late and is already invalidated.
map<string, SerialdMsg::SerialFunction_t>::iterator pm_it = port_map.begin();
while(pm_it != port_map.end())
{
if (pm_it->second == delete_this_id)
{
port_map.erase(pm_it++); // Use iterator.
...
Can I set enum start value in Java?
...SE_ORDINAL;
}
};
public class TestEnum {
public static void main (String... args){
for (ids i : new ids[] { ids.OPEN, ids.CLOSE }) {
System.out.println(i.toString() + " " +
i.ordinal() + " " +
i.getCode());
}
}
}
OPEN 0 10...
Android: TextView automatically truncate and replace last 3 char of String
If a String is longer than the TextView 's width it automatically wraps onto the next line. I can avoid this by using android:singleLine (deprecated) or by setting android:inputType="text" . What I need now is something that replaces the last 3 characters of my String with " ... ". Since I'm...
T-SQL stored procedure that accepts multiple Id values
...est to a universal "best" approach.
The Iterative Method. Pass a delimited string and loop through it.
Using the CLR. SQL Server 2005 and higher from .NET languages only.
XML. Very good for inserting many rows; may be overkill for SELECTs.
Table of Numbers. Higher performance/complexity than simp...
Android. WebView and loadData
...sible to use following method for content's setting of a web-view
loadData(String data, String mimeType, String encoding)
9...
Set Value of Input Using Javascript Function
... jQuery $(element).val(x);
When x is undefined jQuery results in an empty String whereas javascript results in "undefined" as a String.
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No Multiline Lambda in Python: Why not?
... This is a simple ambiguity that must be solved by adding an extra set of parens, something that exists in many places already, e.g. generator expressions surrounded by other arguments, calling a method on an integer literal (although this need not be the case since a function name can...
How to properly override clone method?
... Java API developers do it. (Either Josh Bloch or Neal Gafter)
Here is an extract from openJDK, ArrayList class:
public Object clone() {
try {
ArrayList<?> v = (ArrayList<?>) super.clone();
v.elementData = Arrays.copyOf(elementData, size);
v.modCount = 0;
...
What is the difference between angular-route and angular-ui-router?
...owerful. It supports everything the normal ngRoute can do as well as many extra functions.
Here are some common reason ui-router is chosen over ngRoute:
ui-router allows for nested views and multiple named views. This is very useful with larger app where you may have pages that inherit from oth...
How to amend several commits in Git to change author
...TES
the --no-edit flag makes sure the git commit --amend doesn't ask an extra confirmation
when you use git rebase -i, you can manually select the commits where to change the author,
the file you edit will look like this:
pick 897fe9e simplify code a little
pick abb60f9 add new feature
exec g...