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What is the difference between “Rollback…” and “Back Out Submitted Changelist #####” in Perforce P4V
...to reverse the changes from one of my checkins. In the right-click context menu of the particular changelist, there are these two options:
...
How does Python's super() work with multiple inheritance?
...erstanding the super() function (new style classes) especially when it comes to multiple inheritance.
16 Answers
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Check whether a path is valid in Python without creating a file at the path's target
I have a path (including directory and file name).
I need to test if the file-name is a valid, e.g. if the file-system will allow me to create a file with such a name.
The file-name has some unicode characters in it.
...
TCP vs UDP on video stream
I just came home from my exam in network-programming, and one of the question they asked us was "If you are going to stream video, would you use TCP or UDP? Give an explanation for both stored video and live video-streams" . To this question they simply expected a short answer of TCP for stored vid...
Reading/writing an INI file
Is there any class in the .NET framework that can read/write standard .ini files:
16 Answers
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How can I use Spring Security without sessions?
... Spring Security 3 with Java Config, you can use HttpSecurity.sessionManagement():
@Override
protected void configure(final HttpSecurity http) throws Exception {
http
.sessionManagement()
.sessionCreationPolicy(SessionCreationPolicy.STATELESS);
}
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Understanding $.proxy() in jQuery
...nd that .proxy() would change the scope of the function passed as an argument. Could someone please explain me this better? Why should we do this?
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Modifying a query string without reloading the page
... pushState, as you said. Here it is an example that might help you to implement it properly. I tested and it worked fine:
if (history.pushState) {
var newurl = window.location.protocol + "//" + window.location.host + window.location.pathname + '?myNewUrlQuery=1';
window.history.pushState({p...
Why does 'continue' behave like 'break' in a Foreach-Object?
...ultiple of 7"
}
There is a gotcha to be kept in mind when refactoring. Sometimes one wants to convert a foreach statement block into a pipeline with a ForEach-Object cmdlet (it even has the alias foreach that helps to make this conversion easy and make mistakes easy, too). All continues should be ...
How do I programmatically shut down an instance of ExpressJS for testing?
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when testing server, check out github.com/visionmedia/supertest it will let you test w/o launching actual server
– Lukas Liesis
Nov 1 '16 at 13:54
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