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What is the best way to use a HashMap in C++?
... a hash table-based container, almost all implementations include hash_map from the SGI STL in some form or another.
– James McNellis
Aug 26 '10 at 18:27
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How do I resolve git saying “Commit your changes or stash them before you can merge”?
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You can't merge with local modifications. Git protects you from losing potentially important changes.
You have three options:
Commit the change using
git commit -m "My message"
Stash it.
Stashing acts as a stack, where you can push changes, and you pop them in reverse order.
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How do I squash two non-consecutive commits?
...the line) using shell
#
# These lines can be re-ordered; they are executed from top to bottom.
#
# If you remove a line here THAT COMMIT WILL BE LOST.
#
# However, if you remove everything, the rebase will be aborted.
#
# Note that empty commits are commented out
Now you change the file that it lo...
TCP: can two different sockets share a port?
...onceptual model a lot of people have in mind.
This is intuitive, because from the standpoint of the client, he has an IP address, and connects to a server at IP:PORT. Since the client connects to port 80, then his port must be 80 too? This is a sensible thing to think, but actually not what happen...
How to get the response of XMLHttpRequest?
...e the exception like below
Failed to read the \'responseText\' property from \'XMLHttpRequest\':
The value is only accessible if the object\'s \'responseType\' is \'\'
or \'text\' (was \'arraybuffer\')
Best way to access the response from XHR as follows
function readBody(xhr) {
var dat...
How to convert unix timestamp to calendar date moment.js
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UNIX timestamp it is count of seconds from 1970, so you need to convert it to JS Date object:
var date = new Date(unixTimestamp*1000);
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What is meant by Resource Acquisition is Initialization (RAII)?
...xception thrown).
It is a widely used good practice in C++, because apart from being a safe way to deal with resources, it also makes your code much cleaner as you don't need to mix error handling code with the main functionality.
* Update: "local" may mean a local variable, or a nonstatic member ...
What is the difference between declarative and procedural programming paradigms?
...ages that exhibit a hierarchy of types that inherit both methods and state from base types to derived types, but also includes the unusual prototype-based JavaScript.
Examples of programming languages which support the OO paradigm:
Java
Declarative
There are several sub-paradigms of the decla...
angularJS: How to call child scope function in parent scope
How can call a method defined in child scope from its parent scope?
4 Answers
4
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How can I randomize the lines in a file using standard tools on Red Hat Linux?
... suspect the reason sort -R is slow is that computes a hash for each line. From the docs: "Sort by hashing the input keys and then sorting the hash values."
– Joe Flynn
Jun 13 '13 at 18:40
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