大约有 47,000 项符合查询结果(耗时:0.0679秒) [XML]

https://stackoverflow.com/ques... 

LINQ with groupby and count

... .OrderBy(x => x.Metric)) { Console.WriteLine("{0} {1}", line.Metric, line.Count); } > This was a brilliantly quick reply but I'm having a bit of an issue with the first line, specifically "data.groupby(info=>info.metric)" I'm assuming you already have a list/array...
https://stackoverflow.com/ques... 

How to read/write a boolean when implementing the Parcelable interface?

...s how I'd do it... writeToParcel: dest.writeByte((byte) (myBoolean ? 1 : 0)); //if myBoolean == true, byte == 1 readFromParcel: myBoolean = in.readByte() != 0; //myBoolean == true if byte != 0 share | ...
https://stackoverflow.com/ques... 

HTML5 Number Input - Always show 2 decimal places

... step='0.01' does not work for me on Chrome 66.0 parseFloat works like a charm. robot_speed = parseFloat(robot_speed).toFixed(2) – 05032 Mendicant Bias Aug 14 '19 at 14:52 ...
https://stackoverflow.com/ques... 

Timeout a command in bash without unnecessary delay

...at you are asking for: http://www.bashcookbook.com/bashinfo/source/bash-4.0/examples/scripts/timeout3 #!/bin/bash # # The Bash shell script executes a command with a time-out. # Upon time-out expiration SIGTERM (15) is sent to the process. If the signal # is blocked, then the subsequent SIGKILL (9...
https://stackoverflow.com/ques... 

Easy way to concatenate two byte arrays

...ghtforward: byte[] c = new byte[a.length + b.length]; System.arraycopy(a, 0, c, 0, a.length); System.arraycopy(b, 0, c, a.length, b.length); share | improve this answer | f...
https://stackoverflow.com/ques... 

How to detect the end of loading of UITableView

...ve to @RichX answer: lastRow can be both [tableView numberOfRowsInSection: 0] - 1 or ((NSIndexPath*)[[tableView indexPathsForVisibleRows] lastObject]).row. So the code will be: -(void) tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexP...
https://stackoverflow.com/ques... 

Deleting all pending tasks in celery / rabbitmq

... 303 From the docs: $ celery -A proj purge or from proj.celery import app app.control.purge() ...
https://stackoverflow.com/ques... 

Get css top value as number not as string?

... by Ben): You should give the radix too: parseInt($('#elem').css('top'), 10); Forces it to be parsed as a decimal number, otherwise strings beginning with '0' might be parsed as an octal number (might depend on the browser used). ...
https://stackoverflow.com/ques... 

Convert a RGB Color Value to a Hexadecimal String

... 205 You can use String hex = String.format("#%02x%02x%02x", r, g, b); Use capital X's if you ...
https://stackoverflow.com/ques... 

When is TCP option SO_LINGER (0) required?

... | edited Apr 30 '15 at 11:18 OJ. 26.7k55 gold badges5252 silver badges6969 bronze badges ans...