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How to avoid annoying error “declared and not used”
...)
func main() {
i := 1 // no more error
_ = i
}
As said by kostim>x m> in the comments below, you can find the official position of the Go team in the FAQ:
The presence of an unused variable may indicate a bug, while unused imports just slow down compilation. Accumulate enough unused impo...
Command not found when using sudo
...
Permission denied
In order to run a script the file must have an em>x m>ecutable permission bit set.
In order to fully understand Linum>x m> file permissions you can study the documentation for the chmod command. chmod, an abbreviation of change mode, is the command that is used to change the permis...
Alternative to google finance api [closed]
...ng (f=..). For an overview of all of the formats see this page.
For more em>x m>amples, visit this page.
For m>X m>ML and JSON-based data, you can do the following:
Don't use YQL (Yahoo Query Language)**
For em>x m>ample:
http://developer.yahoo.com/yql/console/?q=select%20*%20from%20yahoo.finance
.quotes%20...
What is the correct way to start a mongod service on linum>x m> / OS m>X m>?
...n, this is straightforward.
When you install via brew, it tells you what em>x m>actly to do. There is no need to create a new launch control file.
$ brew install mongodb
==> Downloading https://homebrew.bintray.com/bottles/mongodb-3.0.6.yosemite.bottle.tar.gz ### 100.0%
==> Pouring mongodb-3.0.6....
Will docker container auto sync time with the host machine?
...
If you are on OSm>X m> running boot2docker, see this issue: https://github.com/boot2docker/boot2docker/issues/290
Time synch becomes an issue because the boot2docker host has its time drift while your OS is asleep. Time synch with your docker co...
Print new output on same line [duplicate]
...ode be for it behaving like python 2 with comma?
– onm>x m>m>x m>
Aug 20 '12 at 4:25
2
Same thing but with ...
How to automatically crop and center an image
...mage centered within an element sized to the cropped dimensions.
Basic em>x m>ample
.center-cropped {
width: 100pm>x m>;
height: 100pm>x m>;
background-position: center center;
background-repeat: no-repeat;
}
<div class="center-cropped"
style="background-image: url('http://placehold...
Why do m>x m>86-64 systems have only a 48 bit virtual address space?
...into it. Only making a new ISA (386) was it possible to break the barrier. m>x m>86_64 on the other hand supports all 64 bits in the ISA. It's just the current-generation hardware that can't make use of them all...
– R.. GitHub STOP HELPING ICE
Jul 16 '11 at 12:29
...
What's the difference between “bundle display name” and “bundle name” in cocoa application's info pl
...ave no idea. Docs suggest that it will be used in lists thus recommended mam>x m> 16 characters, but for instance the Settings→General→Usage list of apps uses CFBundleDisplayName really. To date I have never figured out where em>x m>actly this one is used.
Oh, this is for iOS apps, can't speak for other...
How do I unload (reload) a Python module?
...s:
Python modules’ code is recompiled and
the module-level code reem>x m>ecuted,
defining a new set of objects which
are bound to names in the module’s
dictionary. The init function of
em>x m>tension modules is not called a
second time. As with all other objects
in Python the old objects...