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What does static_assert do, and what would you use it for?
...t;typename T, typename U>
struct Type
{
BOOST_STATIC_ASSERT(boost::is_base_of<T, Interface>::value);
BOOST_STATIC_ASSERT(std::numeric_limits<U>::is_integer);
/* ... more code ... */
};
This will cause a compile time error if any of the above conditions are not met.
...
Find objects between two dates MongoDB
...: "example", "created_at" : "Sun May 30 2010 00:00:00 GMT+0300 (EEST)" }
Based on my experiments you will need to serialize your dates into a format that MongoDB supports, because the following gave undesired search results.
items.save({
name: "example",
created_at: "Sun May 30 18.49:00 +...
搭建高可用mongodb集群（一）——配置mongodb - 大数据 & AI - 清泛网 - 专...
...安装程序包
wget http://fastdl.mongodb.org/linux/mongodb-linux-x86_64-2.4.6.tgz
#解压下载的压缩包
tar xvzf mongodb-linux-x86_64-2.4.6.tgz
#进入mongodb程序执行文件夹
cd mongodb-linux-x86_64-2.4.6/bin/
3、启动单实例mongodb
mongod --dbpath /data/mongodbtest/...
Android Studio - How to increase Allocated Heap Size
...
Thx, it's very usefull. FYI, if you use the 64bits version, the file to edit is named studio64.exe.vmoptions.
– Eselfar
Jul 11 '17 at 14:47
add ...
How to architect an Ember.js application
...type="text/x-handlebars" data-template-name="list">
<h3 class="demo-panel-title">This is the list template</h3>
<ul>
{{#each item in content}}
<li>{{item}}</li>
{{/each}}
</ul>
</script>
<script type="t...
Adding options to select with javascript
...lue = i;
opt.innerHTML = i;
select.appendChild(opt);
}
JS Fiddle demo.
JS Perf comparison of both mine and Sime Vidas' answer, run because I thought his looked a little more understandable/intuitive than mine and I wondered how that would translate into implementation. According to Chromi...
how to split the ng-repeat data with three columns using bootstrap
I am using ng-repeat with my code I have 'n' number of text box based on ng-repeat. I want to align the textbox with three columns.
...
How do I display an alert dialog on Android?
...
The Dialog class is the base class for dialogs, but you should avoid instantiating Dialog directly. Instead, use one of the following subclasses: AlertDialog, DatePickerDialog or TimePickerDialog (from developer.android.com/guide/topics/ui/dialogs....
Saving a Numpy array as an image
...6
dF.dF.
64.2k2727 gold badges123123 silver badges134134 bronze badges
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embedding image in html email
...ple images at various locations in the email.
<img src="data:image/jpg;base64,{{base64-data-string here}}" />
And to make this post usefully for others to:
If you don't have a base64-data string, create one easily at:
http://www.motobit.com/util/base64-decoder-encoder.asp from a image file....