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Favicons - Best practices
...There are a number of different icons and even splash screens that you can set for various devices. This answer goes through how to support them all.
Here are some snippets I have used with relevant links to where I gathered the information. See my blog for more information and more information abo...
Cannot delete directory with Directory.Delete(path, true)
...tories(target_dir);
foreach (string file in files)
{
File.SetAttributes(file, FileAttributes.Normal);
File.Delete(file);
}
foreach (string dir in dirs)
{
DeleteDirectory(dir);
}
Directory.Delete(target_dir, false);
}
Also, for me I personally ...
How can prepared statements protect from SQL injection attacks?
...
Here is SQL for setting up an example:
CREATE TABLE employee(name varchar, paymentType varchar, amount bigint);
INSERT INTO employee VALUES('Aaron', 'salary', 100);
INSERT INTO employee VALUES('Aaron', 'bonus', 50);
INSERT INTO employee VA...
How can I read a text file without locking it?
...
Explicit set up the sharing mode while reading the text file.
using (FileStream fs = new FileStream(logFilePath,
FileMode.Open,
FileAccess.Read,
...
Subscript and Superscript a String in Android
...
((TextView)findViewById(R.id.text)).setText(Html.fromHtml("X<sup>2</sup>"));
or
Common Tasks and How to Do Them in Android
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improve this ...
Count the items from a IEnumerable without iterating?
...s existence) were to support additional information, C# would likely get a set yield options statement or something similar to support it. If properly designed, an IEnhancedEnumerator could make things like LINQ much more usable by eliminating a lot of "defensive" ToArray or ToList calls, especiall...
What is more efficient? Using pow to square or just multiply it with itself?
...nce errno is a global, thread safety requires that it call pow to possibly set errno multiple times... exp=1 and exp=2 are fast because the pow call is hoisted out of the loop with just -O3.. (with -ffast-math, it does the sum-of-8 outside the loop, too.)
– Peter Cordes
...
How can I trim leading and trailing white space?
...es when you read your data file. If you use read.csv or read.table you can set the parameterstrip.white=TRUE.
If you want to clean strings afterwards you could use one of these functions:
# Returns string without leading white space
trim.leading <- function (x) sub("^\\s+", "", x)
# Returns str...
How to grep a text file which contains some binary data?
...
Note that this works in a pipeline as well. E.g. set | cat -v | grep variable
– funroll
Sep 28 '16 at 20:01
1
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Is it better in C++ to pass by value or pass by constant reference?
...the new value of g.i from memory.
For more pratical rules, here is a good set of rules found in Move Constructors article (highly recommended reading).
If the function intends to change the argument as a side effect, take it by non-const reference.
If the function doesn't modify its argument and...