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PDO mysql: How to know if insert was successful
... be thrown in case of a database error, and it will bubble up to the site-wide error handler that eventually will result in a common 500 error page.
To handle the expected error, like a duplicate primary key, and if you have a certain scenario to handle this particular error, then use a try..catch o...
Best practices for large solutions in Visual Studio (2008) [closed]
...' is selected, then the dependency is added to our single, global solution file by default.
2. Should "copy local" be on or off?
Off in our experience. The extra copying just adds to the build times.
3. Should every project build to its own folder, or should they all build to the same output fol...
How to automatically install Emacs packages by specifying a list of package names?
...t computers, I'd like a way to specify a list of package names in .emacs file and then package could automatically search and install the packages, so that I don't need to install them manually by calling M-x package-list-packages . How to do that?
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IntelliJ: Never use wildcard imports
...
File\Settings... (Ctrl+Alt+S)
Project Settings > Editor > Code Style > Java > Imports tab
Set Class count to use import with '*' to 999
Set Names count to use static import with '*' to 999
After this, your confi...
Opacity of div's background without affecting contained element in IE 8?
...page for more info: http://css-tricks.com/rgba-browser-support/
The down-side, is that this doesn't work in IE8 or lower. The page I linked above also lists a few other browsers it doesn't work in, but they're all very old by now; all browsers in current use except IE6/7/8 will work with rgba colou...
Why does “pip install” inside Python raise a SyntaxError?
...hanging directory to the location of python.exe and then needed to put the file type on pip3. In my case I was after requests for HTTP work. Namely: python pip3.exe install requests <--- this worked perfectly, repeated the same for pytz module
– natur3
Apr ...
How do I add a class to a given element?
... of your new class to the className property of the element. First, put an id on the element so you can easily get a reference.
<div id="div1" class="someclass">
<img ... id="image1" name="image1" />
</div>
Then
var d = document.getElementById("div1");
d.className += " oth...
Any decent text diff/merge engine for .NET? [closed]
...here are one or two worst-case scencario when the algorithm made the patch-file larger than it have to be. But in most of the cases it works just fine for me (textfiles with a size of >30 MB).
I'm currently testing another Codeproject-Project you can find here: http://www.codeproject.com/KB/appl...
How to activate virtualenv?
...lder.
At this point when you use ls command, you should see the "activate" file.
now type
source activate
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Disable cross domain web security in Firefox
...ost everywhere you look, people refer to the about:config and the security.fileuri.strict_origin_policy. Sometimes also the network.http.refere.XOriginPolicy.
For me, none of these seem to have any effect.
This comment implies there is no built-in way in Firefox to do this (as of 2/8/14).
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