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SQL error “ORA-01722: invalid number”
... to a number, and the spaces that delimit it are throwing this error. But based on the information you've given us, it could be happening on any field (other than the first one).
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deny direct access to a folder and file by htaccess
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This is pure mod_rewrite based solution:
RewriteRule ^(includes/|submit\.php) - [F,L,NC]
This will show forbidden error to use if URI contains either /includes/ or /submit.php
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python pandas: Remove duplicates by columns A, keeping the row with the highest value in column B
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Simplest solution:
To drop duplicates based on one column:
df = df.drop_duplicates('column_name', keep='last')
To drop duplicates based on multiple columns:
df = df.drop_duplicates(['col_name1','col_name2','col_name3'], keep='last')
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Display filename before matching line
... search.
-n, --line-number
Prefix each line of output with the 1-based line number within its
input file. (-n is
specified by POSIX.)
-H is a GNU extension, but -n is specified by POSIX
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OSGi, Java Modularity and Jigsaw
...ou cannot simply sprinkle modularity on top of an existing non-modular codebase. Making a non-modular codebase into a modular one inevitably requires some refactoring: moving classes into the correct package, replacing direct instantiation with the use of decoupled services, and so on.
This makes i...
On a CSS hover event, can I change another div's styling? [duplicate]
...ithin a separate wrapper div, the hover over effect does not work. Any CSS-based solution that can somehow get this to work? (An example might be something like: A**<div class="wrapper01"><div id="a">Div A</div></div> and **B <div class="wrapper02"><div id="b">Div...
How Do I Convert an Integer to a String in Excel VBA?
...rsions, implicit accessibility, implicit default member access, implicit 1-based arrays with Option Base 1, implicit typing with Def[Type] (boy that's EVIL!), implicit... you get it - the only good implicit thing in VBA is the implicit call syntax that made the explicit Call obsolete.
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nServiceBus vs Mass Transit vs Rhino Service Bus vs other?
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a potential con of anything MSMQ based is the restriction on maximum message size. IIRC it is approximately 4MB, which you might easily run into if you're dealing with large files and storing the file content within the message.
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Changing the browser zoom level
... you can get pretty close with CSS transform: scale(). Here is my solution based on JavaScript and jQuery:
<!-- Trigger -->
<ul id="zoom_triggers">
<li><a id="zoom_in">zoom in</a></li>
<li><a id="zoom_out">zoom out</a></li>
<...
How to build a Debian/Ubuntu package from source?
...cial" way is to check build depends is if the package builds with only the base system, the "build-essential" packages, and the build dependencies you have specified. Don't know a general answer for regular Dependencies, just wade in :)
How I can I prevent the update system installing the older...