大约有 25,300 项符合查询结果（耗时：0.0431秒） [XML]
LINQ query on a DataTable
...inst the DataTable's Rows collection, since DataRowCollection doesn't implement IEnumerable<T>. You need to use the AsEnumerable() extension for DataTable. Like so:
var results = from myRow in myDataTable.AsEnumerable()
where myRow.Field<int>("RowNo") == 1
select myRow;
And as @Keith ...
Showing which files have changed between two revisions
I want to merge two branches that have been separated for a while and wanted to know which files have been modified.
18 Ans...
Replace whitespaces with tabs in linux
...D(1) User Commands UNEXPAND(1)
NAME
unexpand - convert spaces to tabs
SYNOPSIS
unexpand [OPTION]... [FILE]...
DESCRIPTION
Convert blanks in each FILE to tabs, writing to standard output. With
no FILE, or when FILE is -, read s...
How to Select Columns in Editors (Atom,Notepad++, Kate, VIM, Sublime, Textpad,etc) and IDEs (NetBean
...select columns in Editors and IDEs to columnar delete, insert or replace some characters ?
21 Answers
...
How do you do block comments in YAML?
How do I comment a block of lines in YAML?
11 Answers
11
...
How to programmatically send a 404 response with Express/Node?
...icated status function for this on the response object. Just chain it in somewhere before you call send.
res.status(404) // HTTP status 404: NotFound
.send('Not found');
share
|
improve t...
How can I make the Android emulator show the soft keyboard?
...
I found out how to do this on the Android emulator itself (Menu, "Settings" App - not the settings of the emulator outside). All you need to do is:
open settings app -> Language & Input -> Go to the "Keyboard & Input Methods -> click Default
This will bring up a Dial...
How to change position of Toast in Android?
When I use Toast to display some popup text on the screen, it displays the text a little bit above the bottom of the screen, which is the default position.
...
Why is typeof null “object”?
...eading 'Professional Javascript for Web Developers' Chapter 4 and it tells me that the five types of primitives are: undefined, null, boolean, number and string.
...
How to run eclipse in clean mode? what happens if we do so?
If something is not working properly or some plug-ins are not loaded properly in my Eclipse I often get suggestion to open Eclipse in clean mode.
...