大约有 40,000 项符合查询结果（耗时：0.0578秒） [XML]
How to exit a 'git status' list in a terminal?
...
The pager used by git is selected by core.pager configuration variable (if it is set), then GIT_PAGER enviroment variable, then PAGER environment variable, then less as fallback.
– Jakub Narębski
Nov 8 '09 at ...
In Windows cmd, how do I prompt for user input and use the result in another command?
...
set /p choice= "Please Select one of the above options :"
echo '%choice%'
The space after = is very important.
share
|
improve this answer
...
How to design a product table for many kinds of product where each product has many parameters
...urther If you would like to improve the performance of the queries you can select certain operations like for e.g. reporting or global text search and prepare for them index tables which would store required data and would be regenerated periodically, lets say every 30 minutes.
You don't even need ...
Using Node.js only vs. using Node.js with Apache/Nginx
...pared to using a proper static file web server (Node may also be faster in select scenarios, but this is unlikely to be the norm). On top of files serving more efficiently, you won't have to worry about handling eTags or cache control headers the way you would if you were servings things out of Node...
What are the main performance differences between varchar and nvarchar SQL Server data types?
... AND ([URLa] IS NULL OR [URLu] IS NULL))
);
In this model you only SELECT from the [URL] computed column. For inserting and updating, you determine which field to use by seeing if converting alters the incoming value, which has to be of NVARCHAR type:
INSERT INTO TableName (..., URLa, URLu)...
Prevent users from submitting a form by hitting Enter
...area>.
<input ... onkeydown="return event.key != 'Enter';">
<select ... onkeydown="return event.key != 'Enter';">
...
To reduce boilerplate, this is better to be done with jQuery:
$(document).on("keydown", ":input:not(textarea)", function(event) {
return event.key != "Enter";...
I need to store postal codes in a database. How big should the column be?
...nce a block on one side of the street. To find a broader region, you would select the first half of the postal code. Having this information in a separate table really won't help anything and would be more complicated to maintain.
– RevNoah
Dec 2 '13 at 17:08
...
What RSA key length should I use for my SSL certificates?
...they seemed vague or out dated so I did a little digging. Bottom line the selected answer is correct use "2048-bit keys... longer is meaningless".
Increasing the bit length to 4096 adds a potentially meaningful load to your server (depending on your existing load) while offering basically an insig...
Do DOM tree elements with ids become global variables?
...makes the value of the name attribute accessible for form elements (input, select, etc).
Gecko and Webkit incorrectly do NOT make <a> tags accessible via their name attribute.
Gecko incorrectly handles multiple named elements with the same name (it returns a reference to a single node instead ...
Unable to hide welcome screen in Emacs
....
Options -> customize emacs -> top-level customization group
then select environment group, then initialization, and set inhibit startup screen to on.
share
|
improve this answer
|...