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Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
... will leave it up to him to figure it out. I don't have such a processor.
Now, on my machine I don't get this 256 byte boundary effect. Only the function and the loop alignment kicks in on my machine. If I pass g++ -O2 -falign-functions=16 -falign-loops=16 then everything is back to normal: I alway...
Django rest framework nested self-referential objects
...tionships is something that needs to be added.
Edit: Note that there is now a third-party package available that specifically deals with this kind of use-case. See djangorestframework-recursive.
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What's a quick way to comment/uncomment lines in Vim?
...VISUAL BLOCK mode.
Then using the arrow key and select until the last line
Now press ShiftI, which will put the editor in INSERT mode and then press #. This will add a hash to the first line.
Then press Esc (give it a second), and it will insert a # character on all other selected lines.
For the...
How do I commit case-sensitive only filename changes in Git?
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Don't forget to give the full file path. Obvious, I know, but got me for a while
– rickrizzo
Aug 15 '17 at 16:03
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How to stop a program running under Eclipse?
... can see "Devices". There should be a list of applications that is running now (Emulator or physical devices).
Click on the application you want to close. Normally the name is the name of the package + the name of the application
Now click on the symbol of "Stop".
To come back to the normal view, ...
Understanding FFT output
... as sqrt (real * real + imag * imag). This number will always be positive. Now all you have to search is for the maximum value (ignore the first entry in your array. That is your DC offset and carries no frequency dependent information).
You get 32 real and 32 imaginary outputs because you are usin...
Two-way encryption: I need to store passwords that can be retrieved
...ime to show you different instances will still properly decrypt the data.
Now, how does it work/why use it over another solution:
Keys
The keys are not directly used. Instead, the key is stretched by a standard PBKDF2 derivation.
The key used for encryption is unique for every encrypted block ...
100% Min Height CSS layout
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Since it is no longer in the normal flow, padding-bottom of #content
now provides the space for the absolute #footer. This padding is
included in the scrolled height by default, so that the footer will
never overlap the above content.
Scale the text size a bit or resize your browser w...
What is the best way to compute trending topics or tags?
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For anyone who would like it, I now have SQL queries to do this.
– thouliha
Feb 8 '16 at 13:42
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How do I mock an autowired @Value field in Spring with Mockito?
...s very easy to use
UPDATE
Since the introduction of Spring 4.2.RC1 it is now possible to set a static field without having to supply an instance of the class. See this part of the documentation and this commit.
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