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R: rJava package install failing
...on doing it through cran, which really doesn't help as R 3.x is mainstream now, while packages in r-cran- are apparently before R 3.x
– Richard
Sep 29 '14 at 9:04
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How do I find the next commit in git? (child/children of ref)
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The creator for Hudson (now Jenkins) Kohsuke Kawaguchi just published (November 2013):
kohsuke / git-children-of:
Given a commit, find immediate children of that commit.
#!/bin/bash -e
# given a commit, find immediate children of that commit.
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How do I add a new sourceset to Gradle?
... sourceSets.integrationTest.runtimeClasspath
}
As of version 4.0, Gradle now uses separate classes directories for each language in a source set. So if your build script uses sourceSets.integrationTest.output.classesDir, you'll see the following deprecation warning.
Gradle now uses separate ou...
LEN function not including trailing spaces in SQL Server
...Starting from SQL server 2012, unicode columns with version 100 collations now supports surrogate pairs. This means a single character may use up to 4 bytes, causing the divide by two trick to fail. See msdn.
– Frédéric
May 26 '15 at 15:25
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how to use python to execute a curl command
....post(url, files=files)
print r.text, print r.json
ahh thanks @LukasGraf now i better understand what his original code is doing
import requests,json
url = "https://www.googleapis.com/qpxExpress/v1/trips/search?key=mykeyhere"
my_json_data = json.load(open("request.json"))
req = requests.post(url,...
The case against checked exceptions
For a number of years now I have been unable to get a decent answer to the following question: why are some developers so against checked exceptions? I have had numerous conversations, read things on blogs, read what Bruce Eckel had to say (the first person I saw speak out against them).
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Handling an empty UITableView. Print a friendly message
...bleView.emptyDataSetDelegate = self
tableView.tableFooterView = UIView()
Now all you have to do to show the emptystate is:
//Add title for empty dataset
func titleForEmptyDataSet(scrollView: UIScrollView!) -> NSAttributedString! {
let str = "Welcome"
let attrs = [NSFontAttributeName: ...
What is hashCode used for? Is it unique?
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The quote from the MSDN is now out-of-date. The MSDN is now not as explicit about the hash code not being unique.
– user34660
Dec 26 '17 at 22:11
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If my interface must return Task what is the best way to have a no-operation implementation?
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Sorry, I had to mention the context :) As I see it now, we can make public Task WillBeLongRunningAsyncInTheMajorityOfImplementations() as well as public async Task WillBeLongRunningAsyncInTheMajorityOfImplementations(). So, we can either return CompletedTask; or await Complet...
How do you pass arguments to define_method?
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Thanks, I forgot about this. Fixed now.
– Jörg W Mittag
Oct 5 '09 at 8:19
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