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Get a specific bit from byte
...t;< (4-1) == 8 (2^3)
00000001 << (4-1) == 00001000
Now you know how it's done, what's going on at the low level, and why it works.
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How does the “this” keyword work?
...meters of fun bound to the parameters specified arg1, arg2, arg3,....
By now the difference between apply, call and bind must have become apparent. apply allows to specify the arguments to function as array-like object i.e. an object with a numeric length property and corresponding non-negative in...
How to reshape data from long to wide format
...s this simply, with gather()/spread() being the terms for melt/cast.
Edit: Now, in 2019, tidyr v 1.0 has launched and set spread and gather on a deprecation path, preferring instead pivot_wider and pivot_longer, which you can find described in this answer. Read on if you want a brief glimpse into th...
How do I link to Google Maps with a particular longitude and latitude?
...small application that gives the current location: longitude and latitude.
Now I have to browse to google maps with the longitude and latitude.
Please suggest how I can do this.
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How to concatenate strings in django templates?
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I dont know why you are not the one with the most "up" because it's your answer which is right, the "add" alone just doesn't use str() in first place and didn't work at all for me whereas your solution works flawlessly
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Retrieve CPU usage and memory usage of a single process on Linux?
I want to get the CPU and memory usage of a single process on Linux - I know the PID. Hopefully, I can get it every second and write it to a CSV using the 'watch' command. What command can I use to get this info from the Linux command-line?
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How to get a random number in Ruby
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@yar: It is a bit "perlish". Now Ruby has it's Random class (see my answer)
– Marc-André Lafortune
May 5 '10 at 14:02
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How can I set the PHP version in PHPStorm?
...s, then click PHP under Languages & Frameworks. The PHP page opens.
Now you can do 2 things:
On the PHP page that opens you can set the "PHP Language Level".
You can install the PHP version that you wish locally by, for example, installing packages like wamp or xamp and then set the interpr...
receiver type *** for instance message is a forward declaration
... (self = [super init]) ) {
pickedGlasses = 0;
}
return self;
}
Now finally when you are going to create an object for States class you should do it like this.
State *states = [[States alloc] init];
I am not saying this is the best way of doing this. But it may help you understand the ...
Detect Safari browser
...re are many legitimate use cases for browser detection. Do not presume to know the asker or answerer's intention. While it's great to include a helpful tip you may believe to be relevant, it's by no means a requirement.
– Ruben Martinez Jr.
Apr 10 '18 at 13:56
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