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I lose my data when the container exits
... recommended to create a Dockerfile.
In an empty directory, create a file called "Dockerfile" with the following contents.
FROM ubuntu
RUN apt-get install ping
ENTRYPOINT ["ping"]
Create an image using the Dockerfile. Let's use a tag so we don't need to remember the hexadecimal image number.
$ ...
Wait until all jQuery Ajax requests are done?
...e response text,
// status, and jqXHR object for each of the four ajax calls respectively.
});
function ajax1() {
// NOTE: This function must return the value
// from calling the $.ajax() method.
return $.ajax({
url: "someUrl",
dataType: "json",
data...
How can I get a resource content from a static context?
...e setText on widgets, so how can I do that without an activity object to call getResources() on?
14 Answers
...
ApartmentState for dummies
...ted threading options. The vast majority of those classes only support so-called Apartment threading, their interface methods can only safely be called from the same thread that created the instance. In other words, they announce "I don't support threading whatsoever, please take care of never cal...
What is a good pattern for using a Global Mutex in C#?
...uid );
// Need a place to store a return value in Mutex() constructor call
bool createdNew;
// edited by Jeremy Wiebe to add example of setting up security for multi-user usage
// edited by 'Marc' to work also on localized systems (don't use just "Everyone")
var allowEveryoneR...
Windows batch: call more than one command in a FOR loop?
Is it possible in Windows batch file to call more than one command in a single FOR loop? Let's say for example I want to print the file name and after delete it:
...
What is std::string::c_str() lifetime?
...td::string is destroyed or if a non-const member function of the string is called. So, usually you will want to make a copy of it if you need to keep it around.
In the case of your example, it appears that the results of c_str() are used safely, because the strings are not modified while in that s...
Calculate a Running Total in SQL Server
Imagine the following table (called TestTable ):
15 Answers
15
...
How do I print out the contents of an object in Rails for easy debugging?
... This is not phrased correctly. puts my_model_instance will not call to_s. You will have to explicitly do that: puts my_model_instance.to_s
– thisismydesign
Feb 9 '18 at 18:26
...
Spring RestTemplate timeout
...t(1 * 1000);
rf.setConnectTimeout(1 * 1000);
The first time this code is called it will set the timeout for the HttpComponentsClientHttpRequestFactory class used by the RestTemplate. Therefore, all subsequent calls made by RestTemplate will use the timeout settings defined above.
Or the better op...