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Is there a valid reason for enforcing a maximum width of 80 characters in a code file, this day and
...ent setups: 1) in an ssh window connected to a remote machine. which is 80 characters wide by default. and 2) In Visual Studio, with two panels side-by-side so I can see header and cpp file at the same time.
– Enno
Nov 13 '08 at 21:27
...
What's the @ in front of a string in C#?
...omplicated. For example, to write the following code in VB you need to use concatenation (or any of the other ways to construct a string)
string x = "Foo\nbar";
In VB this would be written as follows:
Dim x = "Foo" & Environment.NewLine & "bar"
(& is the VB string concatenation ope...
Split string every nth character?
Is it possible to split a string every nth character?
16 Answers
16
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Are there disadvantages to using a generic varchar(255) for all text-based fields?
...e , town , country , phone number etc, all of which are defined as VARCHAR(255) even though none of these fields will ever come close to having 255 characters. (If you're wondering, it's this way because Ruby on Rails migrations map String fields to VARCHAR(255) by default and I never bothe...
How to list the contents of a package using YUM?
...s a sample command to dump the contents
echo 'SELECT packages.name, GROUP_CONCAT(files.name, ", ") AS files FROM files JOIN packages ON (files.pkgKey = packages.pkgKey) GROUP BY packages.name LIMIT 10;' | sqlite3 -line /var/cache/yum/x86_64/7/base/gen/primary_db.sqlite
: remove "LIMIT 10" above f...
std::cin input with spaces?
...
You have to use cin.getline():
char input[100];
cin.getline(input,sizeof(input));
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Validation failed for one or more entities while saving changes to SQL Server Database using Entity
... exception message with the new one.
var exceptionMessage = string.Concat(ex.Message, " The validation errors are: ", fullErrorMessage);
return exceptionMessage;
}
public static IEnumerable<Exception> GetInners(Exception ex)
{
for (Exception e = ex; e != nu...
Windows batch: echo without new line
... faster is <nul set /p =Hello. set /p can't echo an equal sign as first character nor spaces/tabs.
– jeb
Aug 18 '11 at 18:23
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Ways to save enums in database
... places? Both in CODE public enum foo {bar} and CREATE TABLE foo (name varchar); that can easily get out of sync.
– ebyrob
Nov 11 '16 at 16:17
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When should I use Arrow functions in ECMAScript 6?
...t())))
.then(commentLists => commentLists.reduce((a, b) => a.concat(b)));
.then(comments => {
this.comments = comments;
})
}
The same piece of code with regular functions:
function CommentController(articles) {
this.comments = [];
articles.get...