大约有 40,000 项符合查询结果（耗时：0.0561秒） [XML]
How to create a self-signed certificate with OpenSSL
...
You can do that in one command:
openssl req -x509 -newkey rsa:4096 -keyout key.pem -out cert.pem -days 365
You can also add -nodes (short for no DES) if you don't want to protect your private key with a passphrase. Otherwise it will prompt you for "at least a 4 character" pass...
How do I implement onchange of with jQuery?
...t will only fire when the selector has lost focus, so you will need to click somewhere else to have this work.
If that's not quite right for you, you could use some of the other jQuery events like keyup, keydown or keypress - depending on the exact effect you want.
...
Custom attributes in styles.xml
...ng="utf-8" ?>
<resources xmlns:android="http://schemas.android.com/apk/res/android">
<style name="CustomStyle">
<item name="android:layout_width">wrap_content</item>
<item name="android:layout_height">wrap_content</item>
<item na...
How do I correctly clone a JavaScript object?
I have an object x . I'd like to copy it as object y , such that changes to y do not modify x . I realized that copying objects derived from built-in JavaScript objects will result in extra, unwanted properties. This isn't a problem, since I'm copying one of my own literal-constructed objects.
...
nullable object must have a value
...idea to blindly call .Value on a nullable type, unless you have some prior knowledge that that variable MUST contain a value (i.e. through a .HasValue check).
EDIT
Here's the code for DateTimeExtended that does not throw an exception:
class DateTimeExtended
{
public DateTime? MyDateTime;
...
Perform an action in every sub-directory using Bash
I am working on a script that needs to perform an action in every sub-directory of a specific folder.
9 Answers
...
How to detect my browser version and operating system using JavaScript?
...ng the code below but it only display results in Chrome and Mozilla not working in IE6.
10 Answers
...
visual c++: #include files from other projects in the same solution
I am working on a game using Visual C++. I have some components in separate projects, and have set the project dependencies. How do I #include a header file from a different project? I have no idea how to use classes from one project in another.
...
Split comma-separated strings in a column into separate rows
I have a data frame, like so:
6 Answers
6
...
How to copy from CSV file to PostgreSQL table with headers in CSV file?
...
This worked. The first row had column names in it.
COPY wheat FROM 'wheat_crop_data.csv' DELIMITER ';' CSV HEADER
share
|
improve...