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PDO Prepared Inserts multiple rows in single query
...a.
With prepared inserts you need to know the fields you're inserting to, and the number of fields to create the ? placeholders to bind your parameters.
insert into table (fielda, fieldb, ... ) values (?,?...), (?,?...)....
That is basically how we want the insert statement to look like.
Now, t...
android.view.InflateException: Binary XML file line #12: Error inflating class
... errors of kind displayed in the subj. These errors seems to be occasional and I cannot reproduce them. From stack I can learn that such error may occurs for my different layout resources. The line of XML is also varying.
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Why does HTML5 form-validation allow emails without a dot?
... The client side validation should be only for giving feedback to the user and not be relied on, since it can be easily bypassed.
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Printing the correct number of decimal points with cout
I have a list of float values and I want to print them with cout with 2 decimal places.
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System.IO.Packaging
...didn't see how I would know to add the WindowsBase.Net library. I added it and I now have access to system.io.packaging. So thanks for that, but could you explain what I'm not seeing about knowing to access the system.io.packaging through the WindowsBase.Net library?
– Alan
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static files with express.js
I want to serve index.html and /media subdirectory as static files. The index file should be served both at /index.html and / URLs.
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Selecting element by data attribute
Is there an easy and straight-forward method to select elements based on their data attribute? For example, select all anchors that has data attribute named customerID which has value of 22 .
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vs2008编译boost详细步骤 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...工程， 配置工程属性
设置包含文件目录F:\Develop\BoostlibAndDll\include\boost-1_37\boost
设置引用文件目录:F:\Develop\BoostlibAndDll\lib
完成后，可以使用。
【三、介绍Bjam使用】
Usage:
Bjam [options] [properties] [install|stage]
instal...
Failure [INSTALL_FAILED_ALREADY_EXISTS] when I tried to update my application
...me here because I wanted to know whether adb install -r would remove first and then install or upgrade my app. Although adb's description is not very clear (-r: replace existing application), adb install -r does indeed upgrade your app and does not remove your app data. Therefore suitable to test up...
pandas dataframe columns scaling with sklearn
I have a pandas dataframe with mixed type columns, and I'd like to apply sklearn's min_max_scaler to some of the columns. Ideally, I'd like to do these transformations in place, but haven't figured out a way to do that yet. I've written the following code that works:
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