大约有 47,000 项符合查询结果（耗时：0.0275秒） [XML]
Do I need to disable NSLog before release Application?
...BUG_MODE
#define DLog( s, ... ) NSLog( @"<%p %@:(%d)> %@", self, [[NSString stringWithUTF8String:__FILE__] lastPathComponent], __LINE__, [NSString stringWithFormat:(s), ##__VA_ARGS__] )
#else
#define DLog( s, ... )
#endif
Now instead of NSLog use DLog everywhere. When testing and debugging...
Alarm Manager Example
..."
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.alarmexample.MainActivity"
android:label="@string/app_name" >
<...
HTML5 form required attribute. Set custom validation message?
...ly answered. If setCustomValidity is set to anything other than the empty string it will cause the field to be considered invalid; therefore you must clear it before testing validity, you can't just set it and forget.
Further edit
As pointed out in @thomasvdb's comment below, you need to clear the ...
Row count with PDO
...
Using this approach, fetchColumn() returns a string "1234" ... your EDIT has echo count($nRows); - count() is an array function :P. I'd also recommend type casting the result from fetchColumn() to an integer. $count = (int) $stmt->fetchColumn()
–...
scala vs java, performance and memory? [closed]
...t occasionally can be annoying. For example, suppose you have an array of strings (called array), and a map from those strings to files (called mapping). Suppose you want to get all files that are in the map and come from strings of length greater than two. In Java, you might
int n = 0;
for (Str...
install / uninstall APKs programmatically (PackageManager vs Intents)
...ion result notification.
Example code for invoking the uninstall dialog:
String app_pkg_name = "com.example.app";
int UNINSTALL_REQUEST_CODE = 1;
Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE);
intent.setData(Uri.parse("package:" + app_pkg_name));
intent.putExtra(Intent.EXTRA_RET...
Mismatched anonymous define() module
... up if
You have an anonymous define ("modules that call define() with no string ID") in its own script tag (I assume actually they mean anywhere in global scope)
You have modules that have conflicting names
You use loader plugins or anonymous modules but don't use require.js's optimizer to bundle ...
Is there any particular difference between intval and casting to int - `(int) X`?
...he PHP doc page and shamelessly reiterated here:
$test_int = 12;
$test_string = "12";
$test_float = 12.8;
echo (int) $test_int; // 12
echo (int) $test_string; // 12
echo (int) $test_float; // 12
echo intval($test_int, 8); // 12 <-- WOAH!
echo intval($test_string, 8); ...
Convert stdClass object to array in PHP
...error because you'll be giving an object to a function that expects a JSON string as its input. In the answer, I am converting the object to a JSON string, and then feeding it as an input to json_decode() so it would return an array (the second parameter being as True indicates an array should be re...
Is a LINQ statement faster than a 'foreach' loop?
...am
{
public class Employee
{
public int id;
public string name;
public string lastname;
public DateTime dateOfBirth;
public Employee(int id,string name,string lastname,DateTime dateOfBirth)
{
this.id = id;
this.name = n...