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How to remove a key from a Python dictionary?
...whether it is in the dictionary, use the two-argument form of dict.pop():
my_dict.pop('key', None)
This will return my_dict[key] if key exists in the dictionary, and None otherwise. If the second parameter is not specified (ie. my_dict.pop('key')) and key does not exist, a KeyError is raised.
To...
AngularJS error: 'argument 'FirstCtrl' is not a function, got undefined'
...troller like an ng component, not as a simple function:
<div ng-app="myAppName">
<!-- or what's the root node of your angular app -->
and the js part:
angular.module('myAppName', [])
.controller('FirstCtrl', function($scope) {
$scope.data = {message: 'Hello'};
...
“unrecognized selector sent to instance” error in Objective-C
...ith ARC. I had the same error "unrecognized selector sent to instance". In my case I had a UIButton's target action set up to pass itself as the sender parameter, but later realised I didn't need it and removed that in code. So, something like:
- (IBAction)buttonPressed:(UIButton *)sender {
Was c...
Change Volley timeout duration
I use the new Volley framework for Android to do a request to my server. But it timeouts before getting the response, although it does respond.
...
How to get commit history for just one branch?
Let's say I created a new branch my_experiment from master and made several commits to my_experiment . If I do a git log when on my_experiment , I see the commits made to this branch, but also the commits made to master before the my_experiments branch was created.
...
stl 字符串std::string作为std::map主键key的实例 - C/C++ - 清泛网 - 专注C/C++及内核技术
...s_cmp_string;
};
int main()
{
std::map<std::string, std::string> my_map;
my_map.insert(std::make_pair("10", "china"));
my_map.insert(std::make_pair("20", "usa"));
my_map.insert(std::make_pair("30", "english"));
my_map.insert(std::make_pair("40", "hongkong"));
//...
Controlling maven final name of jar artifact
...t;2.3.2</version>
<configuration>
<finalName>myJar</finalName>
</configuration>
</plugin>
As indicated in the official documentation.
Update:
For Maven >= 3
Based on Matthew's comment you can now do it like this:
...
Missing Maven dependencies in Eclipse project
...
Well, I tried everything posted here, unfortunately nothings works in my case. So, trying different combinations I came out with this one that solved my problem.
1) Open the .classpath file at the root of your eclipse's project.
2) Insert the following entry to the file:
<classpathentry k...
How can my iphone app detect its own version number?
...
As I describe here, I use a script to rewrite a header file with my current Subversion revision number. That revision number is stored in the kRevisionNumber constant. I can then access the version and revision number using something similar to the following:
[NSString stringWithFormat:...
Lost my schema.rb! Can it be regenerated?
...hema.rb in git. Somehow I have stuffed this up and somewhere along the way my schema.rb file has disappeared.
7 Answers
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