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Possibility of duplicate Mongo ObjectId's being generated in two different collections?
... then you'll end up with a duplicate ID.
These are the three scenarios to watch out for. Scenario 1 and 3 seem highly unlikely, and scenario 2 is totally avoidable if you're using the right driver. You'll have to check the source of the driver to know for sure.
...
Rule-of-Three becomes Rule-of-Five with C++11?
So, after watching this wonderful lecture on rvalue references, I thought that every class would benefit of such a "move constructor", template<class T> MyClass(T&& other) edit and of course a "move assignment operator", template<class T> MyClass& operator=(T&&...
How to pass parameters correctly?
...orking on copyOfObj...
}
You may want to learn more about this design by watching this talk by Scott Meyers (just mind the fact that the term "Universal References" that he is using is non-standard).
One thing to keep in mind is that std::forward will usually end up in a move for rvalues, so even...
Execute Python script via crontab
...executed as you expect.
Second, guess what you mean change anything is by watching the files created by your program:
f = file('counter', 'r+w')
json_file = file('json_file_create_server.json','r+w')
the crontab job above won't create these file in directory /home/souza/Documets/Listener, as the...
VIM + JSLint?
...
jsl for Windows: javascriptlint.com/download.htm also, watch out in the jsl.vim file for this issue: vim.1045645.n5.nabble.com/…
– Andrew
Jun 5 '12 at 22:08
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Insert picture into Excel cell [closed]
...
There is some faster way (https://www.youtube.com/watch?v=TSjEMLBAYVc):
Insert image (Ctrl+V) to the excel.
Validate "Picture Tools -> Align -> Snap To Grid" is checked
Resize the image to fit the cell (or number of cells)
Right-click on the image and check "Size and...
What is the purpose of backbone.js?
...Contrast that with something like Backbone.js that has thousands of people watching it on Github, hundreds of forks where people may be working on it, and hundreds of questions already asked and answered here on Stack Overflow.
But none of it is of any importance if what you plan to build is not co...
Significant new inventions in computing since 1980
...amp; applications.
Suddenly games seemed less like hard
work and more like watching TV, which
opened the doors for Sega, Nintendo,
Atari et al to bring consumer gaming
into the home.
Media compression (MP3s and video
files). And a whole bunch of things -
like TiVO and iPods - that we don't
really th...
What is a word boundary in regex?
... is, what it is" repetitively. After some attempts by using the website, I watch out the pink vertical dashes at the every beginning of words and at the end of words. I got it its meaning well at that time. It's now exactly word(\w)-boundary.
My view is merely to immensely understanding-oriented. L...
Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
...Ctrl-A \.
Here is a video by Adafruit showing it: https://www.youtube.com/watch?v=zUBPeoLW16Q
See also
Similar question on RPI SE: https://raspberrypi.stackexchange.com/questions/3867/ssh-to-rpi-without-a-network-connection
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