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python pip: force install ignoring dependencies
...Indeed, you can use this rule for ignoring a package you don't want to consider:
pip install {package you want to install} --ignore-installed {installed package you don't want to consider}
share
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Comments in Markdown
What is the syntax for storing a comment in a markdown file, e.g. a CVS $Id$ comment at the top of the file? I found nothing on the markdown project .
...
Co-variant array conversion from x to y may cause run-time exception
...pecialized type) to Control (base type).
– TheVillageIdiot
Jan 2 '12 at 19:16
2
Yes, converting f...
Ruby Arrays: select(), collect(), and map()
...
It looks like details is an array of hashes. So item inside of your block will be the whole hash. Therefore, to check the :qty key, you'd do something like the following:
details.select{ |item| item[:qty] != "" }
That will give you all items where the :qty key isn't an empty st...
How can I write data in YAML format in a file?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
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Cython: “fatal error: numpy/arrayobject.h: No such file or directory”
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I tried your idea, but now i get this crazy error that is too long to post here, but it starts with warning: untitled.pyx:8:49: Buffer unpacking not optimized away.
– Noob Saibot
Feb 2 '13 at 2:32
...
Range references instead values
...ruct {
field string
}
func main() {
var array [10]MyType
for idx, _ := range array {
array[idx].field = "foo"
}
for _, e := range array {
fmt.Println(e.field)
fmt.Println("--")
}
}
...
Java: difference between strong/soft/weak/phantom reference
... in memory is reachable only by Weak Reference Objects, it becomes automatically eligible for GC.
Levels of Weakness
Two different levels of weakness can be enlisted: soft and phantom.
A soft Reference Object is basically a weak Reference Object that remains in memory a bit more: normally, it re...
Ruby sleep or delay less than a second?
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It's a good idea to extract the 1.0/24.0 value to a variable for the DRY principle. Other pieces of code will need that value too, so you should keep it in a central location to avoid duplication. If performance is a side-effect, then gr...
Get line number while using grep
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tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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