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How to get the first item from an associative PHP array?
If I had an array like:
15 Answers
15
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How to make a Java Generic method static?
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How to hide output of subprocess in Python 2.7
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MongoDB: update every document on one field
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Regardless of the version, for your example, the <update> is:
{ $set: { lastLookedAt: Date.now() / 1000 } }
However, depending on your version of MongoDB, the query will look different. Regardless of version, the key is that the empty condition {} will match any document. In the Mongo s...
Convert JSON String to Pretty Print JSON output using Jackson
This is the JSON string I have:
9 Answers
9
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How to use the C socket API in C++ on z/OS
I'm having issues getting the C sockets API to work properly in C++ on z/OS .
9 Answers
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程序员之网络安全系列（三）：数据加密之对称加密算法 - 更多技术 - 清泛网...
...ted, byte[] passwordBytes)
{
byte[] encryptedBytes = null;
// Set your salt here, change it to meet your flavor:
// The salt bytes must be at least 8 bytes.
byte[] saltBytes = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8 };
using (MemoryStream ms = new MemoryStream())
{
us...
Making TextView scrollable on Android
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You don't need to use a ScrollView actually.
Just set the
android:scrollbars = "vertical"
properties of your TextView in your layout's xml file.
Then use:
yourTextView.setMovementMethod(new ScrollingMovementMethod());
in your code.
Bingo, it scrolls!
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How do I check whether a jQuery element is in the DOM?
Let's say that I define an element
11 Answers
11
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How do I test if a string is empty in Objective-C?
How do I test if an NSString is empty in Objective-C?
30 Answers
30
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