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Better way to cast object to int

... to signify a Nullable<int>. The "as" operator works like Convert.To____(), but think TryParse() rather than Parse(): it returns null rather than throwing an exception if the conversion fails. Of these, I would prefer (int) if the object really is just a boxed integer. Otherwise use Conver...
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Which version of PostgreSQL am I running?

I'm in a corporate environment (running Debian Linux) and didn't install it myself. I access the databases using Navicat or phpPgAdmin (if that helps). I also don't have shell access to the server running the database. ...
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How to write file if parent folder doesn't exist?

... If the whole path already exists, mkdirp is a noop. Otherwise it creates all missing directories for you. This module does what you want: https://npmjs.org/package/writefile . Got it when googling for "writefile mkdirp". This module returns a promise instead of taking a callback, so be sure to r...
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Reactjs convert html string to jsx

...se the dangerouslySetInnerHTML property: <td dangerouslySetInnerHTML={{__html: this.state.actions}} /> React forces this intentionally-cumbersome syntax so that you don't accidentally render text as HTML and introduce XSS bugs. ...
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Custom error pages on asp.net MVC3

...t's of type IController so there's absolutely nothing preventing you from calling this method. And by the way Execute was protected in the Controller class as well in MVC 3, so there's no change in this regard. – Darin Dimitrov Oct 7 '13 at 10:29 ...
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Is there any sed like utility for cmd.exe? [closed]

...ershell saved me. For grep there is: get-content somefile.txt | where { $_ -match "expression"} or select-string somefile.txt -pattern "expression" and for sed there is: get-content somefile.txt | %{$_ -replace "expression","replace"} For more detail see Zain Naboulsis blog entry. ...
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What is the difference between JavaConverters and JavaConversions in Scala?

...eating wrappers that implement either the Scala interface and forward the calls to the underlying Java collection, or the Java interface, forwarding the calls to the underlying Scala collection. JavaConverters uses the pimp-my-library pattern to “add” the asScala method to the Java collections ...
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Is there a way to use SVG as content in a pseudo element :before or :after

... <div class="author_">Lord Byron</div> .author_ { font-family: 'Playfair Display', serif; font-size: 1.25em; font-weight: 700;letter-spacing: 0.25em; font-style: italic; position:relative; margin-top: -0.5em; color: bla...
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Control cannot fall through from one case label

...is present. I have the following code. But I am getting a "Control cannot fall through from one case label" error. 8 Answer...
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How do you set a default value for a MySQL Datetime column?

... need to ALWAYS specify a value for this column or the value will automatically reset itself to "now()" on update. This means that if you do not want the value to change, your UPDATE statement must contain "[your column name] = [your column name]" (or some other value) or the value will become "now(...