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Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?

... However, the default Python driver for sqlite prevents transactional SQL. bugs.python.org/issue10740 – joeforker Sep 17 '13 at 18:57 ...
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How do I load the contents of a text file into a javascript variable?

... XMLHttpRequest, i.e. AJAX, without the XML. The precise manner you do this is dependent on what JavaScript framework you're using, but if we disregard interoperability issues, your code will look something like: var client ...
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Eclipse syntax highlighting preferences save and restore

...org.eclipse.wst.json.ui.prefs org.eclipse.wst.dtd.ui.prefs org.eclipse.wst.xml.ui.prefs org.eclipse.wst.xsl.ui.prefs If have a problematic workspace: Copy the files above Create a new workspace Copy and Replace that files in your new workspace This will recover perfectly your custom editors ...
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Explain the concept of a stack frame in a nutshell

...ynamic languages also have their call stacks, don't they? I mean, if, say, Python wants to execute some procedure, the data about this procedure is stored inside of some Python interpreter's structure, am I correct? So I mean that call stack is present not only at a low level. –...
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A reference to the dll could not be added

...OLEDB.12.0;Data Source=" + strFilePath + ";Extended Properties='Excel 12.0 Xml;HDR=Yes'"; ...I was getting an error As soon as I switched the compiler to x86 it worked share | improve this answe...
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What is the rationale for all comparisons returning false for IEEE754 NaN values?

... the nonreflexivity of NaNs has created no end of pain for languages like Python, with its equality-based containment semantics. You really don't want equality to fail to be an equivalence relation when you're trying to build containers on top of it. And having two separate notions of equality is...
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HTTP handler vs HTTP module

...RSS feed for a Web site, you can create a handler that emits RSS-formatted XML. So when users send a request to your site that ends in .rss, ASP.NET calls your handler to process the request. There are three steps involved in creating Handler 1. Implement IHttpHandler interface. 2. Register hand...
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What is the main purpose of setTag() getTag() methods of View?

...t this position, we create a new one. In this case by inflating an xml layout */ convertView = mInflater.inflate(R.layout.listview_item, null); holder = new ViewHolder(); holder.toggleOk = (ToggleButton) convertView.findViewById( R.id.togOk ); convertView.setTag (holder); }...
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The OutputPath property is not set for this project

...hat is, separated from their sibling config definitions by other unrelated XML elements. Simply edit the .wixproj file so that all the <PropertyGroup> sections that define your build configs are adjacent to one another. (To edit the .wixproj in VS2013 right click on project in Solution Explor...
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Hide keyboard when scroll UITableView

... view.endEditing(true) } } } StoryBoard <?xml version="1.0" encoding="UTF-8"?> <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="11762" systemVersion="16D32" targetRuntime="iOS.CocoaTouch" propertyAccessControl="...