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How do I change the number of open files limit in Linux? [closed]
When running my application I sometimes get an error about too many files open .
4 Answers
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How to compare only Date without Time in DateTime types in Linq to SQL with Entity Framework?
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If you end up here sometime after early 2017 looking for a way to compare dates in an Entity Framework environment like I did check out the answer below by Alejandro and the comment by wasatchWizard.
– Mike Devenney
Apr 13 '17 at 17:05
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read string from .resx file in C#
...e without its extension but including any fully qualified namespace name. For example, the root name for the resource file named MyApplication.MyResource.en-US.resources is MyApplication.MyResource.
– JeffH
Apr 17 '14 at 18:12
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MySQL Cannot drop index needed in a foreign key constraint
...new column. I'm trying to remove the current index but keep getting the error MySQL Cannot drop index needed in a foreign key constraint
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How can I read a whole file into a string variable
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Use ioutil.ReadFile:
func ReadFile(filename string) ([]byte, error)
ReadFile reads the file named by filename and returns the contents. A successful call
returns err == nil, not err == EOF. Because ReadFile reads the whole file, it does not treat
an EOF from Read as an error to b...
'float' vs. 'double' precision
... this encoding, many numbers will have small changes to allow them to be stored.
Also, the number of significant digits can change slightly since it is a binary representation, not a decimal one.
Single precision (float) gives you 23 bits of significand, 8 bits of exponent, and 1 sign bit.
Double...
How can I count the number of matches for a regex?
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matcher.find() does not find all matches, only the next match.
Solution for Java 9+
long matches = matcher.results().count();
Solution for Java 8 and older
You'll have to do the following. (Starting from Java 9, there is a nicer solution)
int count = 0;
while (matcher.find())
count++;
B...
Case-INsensitive Dictionary with string key-type in C#
...to use a case insensitive one. This is done using the appropriate constructor:
var dict = new Dictionary<string, YourClass>(
StringComparer.InvariantCultureIgnoreCase);
The constructor expects an IEqualityComparer which tells the dictionary how to compare keys.
StringComparer.Invar...
List all the files that ever existed in a Git repository
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This is a simplified variation of Strager's solution:
git log --pretty=format: --name-status | cut -f2- | sort -u
Edit: Thanks to Jakub for teaching me a bit more in the comments, this version has a shorter pipeline and gives git more opportunity to get things right.
git log --pretty=format: -...
How to prevent form from being submitted?
I have a form that has a submit button in it somewhere.
10 Answers
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