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Difference between partition key, composite key and clustering key in Cassandra?
I have been reading articles around the net to understand the differences between the following key types. But it just seems hard for me to grasp. Examples will definitely help make understanding better.
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Make a UIButton programmatically in Swift
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Inversely, anyone reading this may also want to know that if your button action references a function that takes no parameter, the colon is not needed and may even cause an error if not removed.
– Dave G
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How do I know which version of Javascript I'm using?
I'm just reading this documentation about Javascript 1.2, but I'm wondering which version of Javascript is being used in the most popular browsers.
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How do I copy to the clipboard in JavaScript?
...cluding displaying and user interacting with any security prompts.
Text is read from the DOM and placed on the clipboard.
During testing ~April 2015 only Internet Explorer was noted as displaying permissions prompts whilst writing to the clipboard.
Overriding the copy event
See Clipboard API docu...
How should one use std::optional?
I'm reading the documentation of std::experimental::optional and I have a good idea about what it does, but I don't understand when I should use it or how I should use it. The site doesn't contain any examples as of yet which leaves it harder for me to grasp the true concept of this object. When...
Git merge left HEAD marks in my files
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@lowerkey, please also consider reading a book on the topic. I would recommend to read that book in its entirety as you appear to lack certain basic knowledge about how VCSes work and it's better to get yourself prepared for possible problems in the future....
Fast way of finding lines in one file that are not in another?
...ne in a line-content indexed associative array ss2[]. After both files are read, iterate over ll1 and use the in operator to determine if the line in file1 is present in file2. (This will have have different output to the diff method if there are duplicates.)
In the event that the files are suffici...
Embed git commit hash in a .Net dll
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You can embed a version.txt file into the executable and then read the version.txt out of the executable. To create the version.txt file, use git describe --long
Here are the steps:
Use a Build Event to call git
Right-click on the project and select Properties
In Build Events, add ...
What is a race condition?
When writing multithreaded applications, one of the most common problems experienced is race conditions.
18 Answers
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Is there a way to escape a CDATA end token in xml?
...nt BUT the sequence ']]>'. No exception.".
EDIT2: The same section also reads:
Within a CDATA section, only the CDEnd string is recognized as markup, so that left angle brackets and ampersands may occur in their literal form; they need not (and cannot) be escaped using "<" and "&"...