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Is there an alternative sleep function in C to milliseconds?
...ity of system timers.
usleep() takes microseconds, so you will have to multiply the input by 1000 in order to sleep in milliseconds.
usleep() has since been deprecated and subsequently removed from POSIX; for new code, nanosleep() is preferred:
#include <time.h>
int nanosleep(con...
How to add custom method to Spring Data JPA
...ple where I will get all the crud and finder functionality working by default and if I want to customize a finder then that can be also done easily in the interface itself.
...
Why JSF saves the state of UI components on server?
...has been expired or when the queue is full. Mojarra for example has a default limit of 15 logical views when state saving is set to session. This is configureable with the following context param in web.xml:
<context-param>
<param-name>com.sun.faces.numberOfLogicalViews</param-nam...
How can you get the Manifest Version number from the App's (Layout) XML variables?
...n could be stored in a resource string, and placed into the manifest by:
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.somepackage"
android:versionName="@string/version" android:versionCode="20">
One could create a custom view, and place it into ...
Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
...
By default compilers optimize for "average" processor. Since different processors favor different instruction sequences, compiler optimizations enabled by -O2 might benefit average processor, but decrease performance on your particul...
Given a DateTime object, how do I get an ISO 8601 date in string format?
...ion. So, I agree with the others that the "s" format with the invariant culture is probably more correct. FYI the formatexception's message is: "A UTC DateTime is being converted to text in a format that is only correct for local times. This can happen when calling DateTime.ToString using the 'z' ...
AppInventor2中的二进制数据以什么样的形式传递？字节列表、字节数组是什么...
... }
}
AI2ByteArray拓展核心代码：
public List<Byte> bytes = new ArrayList<>();
func(int Byte) ---> bytes.add((byte) Byte);
// public byte[] toByteArray() {
// byte[] data ...
Undo working copy modifications of one file in Git?
... the file is already staged, you need to reset it, first. git reset HEAD <filename> ; git checkout -- <filename>
– Olie
Jun 13 '13 at 21:56
14
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What is the yield keyword used for in C#?
In the How Can I Expose Only a Fragment of IList<> question one of the answers had the following code snippet:
17 A...
Android preferences onclick event
... in your code you can do...
Assuming you use the following in your XML:
<Preference android:title="About" android:key="myKey"></Preference>
Then you can do the following in your code:
Preference myPref = (Preference) findPreference("myKey");
myPref.setOnPreferenceClickListener(new O...