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How to TryParse for Enum value?
... = Enum.ToObject(type, ul);
return true;
}
private static char[] _enumSeperators = new char[] { ',', ';', '+', '|', ' ' };
private static object EnumToObject(Type underlyingType, string input)
{
if (underlyingType == typeof(int))
{
int s;
...
开源MQTT网关：EMQX vs Mosquitto - 创客硬件开发 - 清泛IT社区，为创新赋能！
...由 IBM 和 Eurotech 于 2013 年开发，后来于 2016 年捐赠给 Eclipse 基金会。Eclipse Mosquitto 基于 Eclipse 公共许可证(EPL/EDL license)发布，用户可以免费使用。作为全球使用最广的 MQTT 协议实现之一 ，截至 2023 年 3 月，Mosquitto 的 GitHub Star 数...
C default arguments
...Yes. :-) But not in a way you would expect.
int f1(int arg1, double arg2, char* name, char *opt);
int f2(int arg1, double arg2, char* name)
{
return f1(arg1, arg2, name, "Some option");
}
Unfortunately, C doesn't allow you to overload methods so you'd end up with two different functions. Still...
What is the bit size of long on 64-bit Windows?
...bit' and 'long, pointers are 64-bit'.
Type ILP64 LP64 LLP64
char 8 8 8
short 16 16 16
int 64 32 32
long 64 64 32
long long 64 64 64
pointer 64 64 64
The ILP64 sys...
Is multiplication and division using shift operators in C actually faster?
... back, I benchmarked two
versions of my hashing algorithm:
unsigned
hash( char const* s )
{
unsigned h = 0;
while ( *s != '\0' ) {
h = 127 * h + (unsigned char)*s;
++ s;
}
return h;
}
and
unsigned
hash( char const* s )
{
unsigned h = 0;
while ( *s != '\0' ...
How to check whether a string contains a substring in JavaScript?
...g we're extending the previous LSP
while (j > 0 && pattern.charAt(i) != pattern.charAt(j))
j = lsp[j - 1];
if (pattern.charAt(i) == pattern.charAt(j))
j++;
lsp.push(j);
}
// Walk through text string
var j = 0; // Number of chars matched in pattern
...
Purge Kafka Topic
...
That's a great answer but could you please add a description how to start with checking the topic's current retention.ms value?
– Greg Dubicki
Nov 13 '15 at 10:38
...
Why is MySQL's default collation latin1_swedish_ci?
... He is Finnish , but Finnish and Swedish share almost the same special characters ,so they share the same case insensitive collation
– kommradHomer
Feb 26 '14 at 10:47
5
...
Git and nasty “error: cannot lock existing info/refs fatal”
...
This happened to me when my git remote (bitbucket.org) changed their IP address. The quick fix was to remove and re-add the remote, then everything worked as expected. If you're not familiar with how to remove and re-add a remote in git, here are the steps:
Copy the SSH git URL of your exist...
Ignoring accented letters in string comparison
...lizationForm.FormD);
StringBuilder sb = new StringBuilder();
foreach (char ch in formD)
{
UnicodeCategory uc = CharUnicodeInfo.GetUnicodeCategory(ch);
if (uc != UnicodeCategory.NonSpacingMark)
{
sb.Append(ch);
}
}
return sb.ToString().Normalize(NormalizationForm.For...