大约有 40,000 项符合查询结果（耗时：0.0572秒） [XML]
ToList()— does it create a new list?
...tatic void RunChangeList()
{
var objs = Enumerable.Range(0, 10).Select(_ => new MyObject() { SimpleInt = 0 });
var whatInt = ChangeToList(objs); // whatInt gets 0
}
public static int ChangeToList(IEnumerable<MyObject> objects)
{
var objectList = objects.ToList();
objectLi...
How to retrieve checkboxes values in jQuery
...):
function updateTextArea() {
var allVals = [];
$('#c_b :checked').each(function() {
allVals.push($(this).val());
});
$('#t').val(allVals);
}
$(function() {
$('#c_b input').click(updateTextArea);
updateTextArea();
});
Update
Some number of months l...
How to extract the first two characters of a string in shell scripting?
...deed but here it is
sed 's/.//3g'
Or
awk NF=1 FPAT=..
Or
perl -pe '$_=unpack a2'
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How to get memory available or used in C#
...nitializeRAMCounter();
updateTimer.Start();
}
private void updateTimer_Tick(object sender, EventArgs e)
{
this.textBox1.Text = "CPU Usage: " +
Convert.ToInt32(cpuCounter.NextValue()).ToString() +
"%";
this.textBox2.Text = Convert.ToInt32(ramCounter.NextValue()).ToString()+"Mb";...
invalid byte sequence for encoding “UTF8”
... the iconv utility to change encoding of the input data.
iconv -f original_charset -t utf-8 originalfile > newfile
You can change psql (the client) encoding following the instructions on Character Set Support. On that page, search for the phrase "To enable automatic character set conversion".
...
More elegant “ps aux | grep -v grep”
...e grepped character: ps aux| grep "te[r]minal"
– meso_2600
Mar 23 '16 at 9:54
2
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How to split a large text file into smaller files with equal number of lines?
...file (still splits on line breaks):
split -C 20m --numeric-suffixes input_filename output_prefix
creates files like output_prefix01 output_prefix02 output_prefix03 ... each of max size 20 megabytes.
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How do I list the functions defined in my shell?
...
in GNU bash 4.3.46(1)-release (x86_64-pc-linux-gnu) -F lists names / -f lists whole function
– ceph3us
Jul 29 '16 at 5:35
...
How to rollback a specific migration?
I have the following migration file db\migrate\20100905201547_create_blocks.rb
14 Answers
...
Random color generator
...ath.floor(Math.random()*360) + ', 100%, 70%, 1)'
– jj_
Oct 28 '14 at 18:23