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How do I use valgrind to find memory leaks?
...r* string = "{ \"key\": \"value\" }";
json_error_t error;
json_t* root = json_loads(string, 0, &error); //obtaining a pointer
json_t* value = json_object_get(root, "key"); //obtaining a pointer
printf("\"%s\" is the value field.\n", json_string_value(value)); //use value
js...
ACE vs Boost vs POCO [closed]
...t time. There are other classes I could use but haven't tried, e.g. Data::MySQL (I'm happy with mysql++) and Net::HTTP (I'm happy with libCURL). I'll try out the rest of Poco eventually, but that's not a priority at this point.
...
Checking if a field contains a string
.../reference/sql-comparison/
http://php.net/manual/en/mongo.sqltomongo.php
MySQL
SELECT * FROM users WHERE username LIKE "%Son%"
MongoDB
db.users.find({username:/Son/})
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improve this ans...
Django : How can I see a list of urlpatterns?
... django.urls import URLPattern, URLResolver
urlconf = __import__(settings.ROOT_URLCONF, {}, {}, [''])
def list_urls(lis, acc=None):
if acc is None:
acc = []
if not lis:
return
l = lis[0]
if isinstance(l, URLPattern):
yield acc + [str(l.pattern)]
elif isi...
Lodash - difference between .extend() / .assign() and .merge()
...defaultsDeep will merge child objects and the others will overwrite at the root level
Only _.assign and _.extend will overwrite a value with undefined
Tests
They all handle members at the root in similar ways.
_.assign ({}, { a: 'a' }, { a: 'bb' }) // => { a: "bb" }
_.merge ({}, { ...
__FILE__ macro shows full path
...ject, so you know in which folder the file is in, and only relative to the root of your project.
The idea is to get the size of the source directory with your build tool and just add it to the __FILE__ macro, removing the directory entirely and only showing the file name starting at your source dir...
MySQL select with CONCAT condition
....new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f5734570%2fmysql-select-with-concat-condition%23new-answer', 'question_page');
}
);
Post as a guest
...
App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎 ...
...
SQLite 拓展
SQLite
特性
如何使用
背景
属性
事件
方法
常规
事务
数据操作
绑定参数
案例
...
Find location of a removable SD card
...ally 'contact the manufacturer'. Not useful.
– dragonroot
Mar 15 '12 at 2:05
6
The last part of t...
How to convert array values to lowercase in PHP?
... => ['collard greens', 'kale', 'chard', 'spinach', 'lettuce'],
'root' => ['radish', 'turnip', 'potato', 'beet'],
'other' => ['brocolli', 'green beans', 'corn', 'tomatoes'],
],
'grains' => ['wheat', 'rice', 'oats'],
];
$newArray = changeValuesCase ($food, \CASE_U...