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Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...pher_init' differ in signedness digestmd5.c:3125: note: expected 'unsigned char *' but argument is of type 'char *' digestmd5.c: In function 'digestmd5_client_mech_step1': digestmd5.c:3712: warning: pointer targets in passing argument 2 of '_plug_strdup' differ in signedness plugin_common.h:147: not...
Unioning two tables with different number of columns
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For the null value, this hack worked for me: 'SomeString' as DummyColumn. Basically, you just replace NULL with some value. This also worked when used with groupby.
– Saurabh Jain
Feb 27 at 6:27
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How can you zip or unzip from the script using ONLY Windows' built-in capabilities?
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It was possible back in 2013 (without installing any extra software). See the Super User question. It has been possible since Windows XP came out in 2001. The built-in ZIP functionality in Windows XP can be leveraged because it is exposed through a COM interface.
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Iterating each character in a string using Python
In C++, I can iterate over an std::string like this:
8 Answers
8
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what is the unsigned datatype?
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@Charles Bailey: these days - at least if you are being pragmatic rather than formal - long, int, short and char are considered to be different data types as they can be different sizes) with unsigned (and the default, signed)...
Correct use of Multimapping in Dapper
...not CustomerId, CustomerName, since Dapper doesn't Trim the results of the string split. It will just throw the generic spliton error. Drove me crazy one day.
– jes
Aug 29 '13 at 16:12
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Effects of changing Django's SECRET_KEY
...the items listed here use SECRET_KEY through django.utils.crypt.get_random_string() which uses it to seed the random engine. This won't be impacted by a change in value of SECRET_KEY.
User experience directly impacted by a change of value are:
sessions, the data decode will break, that is valid f...
Copy folder recursively in node.js
..."fs")
const path = require("path")
/**
* Look ma, it's cp -R.
* @param {string} src The path to the thing to copy.
* @param {string} dest The path to the new copy.
*/
var copyRecursiveSync = function(src, dest) {
var exists = fs.existsSync(src);
var stats = exists && fs.statSync(src...
How to prevent multiple instances of an Activity when it is launched with different Intents
...new App());
if(!IsTaskRoot) {
Intent intent = Intent;
string action = intent.Action;
if(intent.HasCategory(Intent.CategoryLauncher) && action != null && action.Equals(Intent.ActionMain, System.StringComparison.OrdinalIgnoreCase)) {
System.Cons...
How to make part of the text Bold in android at runtime?
A ListView in my application has many string elements like name , experience , date of joining , etc. I just want to make name bold. All the string elements will be in a single TextView .
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