大约有 15,564 项符合查询结果（耗时：0.0310秒） [XML]
Using AES encryption in C#
... catch (Exception e)
{
Console.WriteLine("Error: {0}", e.Message);
}
}
static byte[] EncryptStringToBytes(string plainText, byte[] Key, byte[] IV)
{
// Check arguments.
if (plainText == null || plainText.Le...
Elegant setup of Python logging in Django
...': False,
'handlers': {
'mail_admins': {
'level': 'ERROR',
'class': 'django.utils.log.AdminEmailHandler',
}
},
'loggers': {
'django.request': {
'handlers': ['mail_admins'],
'level': 'ERROR',
'propagate': ...
iOS app error - Can't add self as subview
... @Kalle This solution works for push/pop. But how to solve this error if I use segue?
– Geek
Mar 14 '14 at 16:37
...
Check if inputs are empty using jQuery
...e usability where it counts.
$('#signupform').submit(function() {
var errors = 0;
$("#signupform :input").map(function(){
if( !$(this).val() ) {
$(this).parents('td').addClass('warning');
errors++;
} else if ($(this).val()) {
$(this...
Objective-C: difference between id and void *
...tor in the context, likely casting on the way in and way out.
Fragile and error prone, but the only way.
Blocks solve this -- Blocks are closures for C. They are available in Clang -- http://llvm.org/ and are pervasive in Snow Leopard (http://developer.apple.com/library/ios/documentation/Performa...
What is PECS (Producer Extends Consumer Super)?
...lt;Number> numbers = new ArrayList<Integer>();//gets compile time error
Integer[] myInts = {1,2,3,4};
Number[] myNumber = myInts;
myNumber[0] = 3.14; //attempt of heap pollution i.e. at runtime gets java.lang.ArrayStoreException: java.lang.Double(we can fool compiler but not run-time)
Lis...
How to debug Apache mod_rewrite
...
You'll find the 2.4 log items in the relevant error log. This may depend on your configuration, but default Debian/Ubuntu setups have them in /var/log/apache2/error.log
– Josiah
May 8 '15 at 21:34
...
Declaring abstract method in TypeScript
...(5);
}
}
The old way of mimicking an abstract method was to throw an error if anyone used it. You shouldn't need to do this any more once TypeScript 1.6 lands in your project:
class Animal {
constructor(public name) { }
makeSound(input : string) : string {
throw new Error('Thi...
Check if bash variable equals 0 [duplicate]
...ro), but it requires two arguments. That is why you get the unary operator error message.
EDIT: As Doktor J mentioned in his comment to this answer, a safe way to avoid problems with unset variables in checks is to enclose the variables in "". See his comment for the explanation.
if [ "$depth" -e...
rejected master -> master (non-fast-forward)
...llow the steps but when I push with git push -u origin master I get this error:
22 Answers
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