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Git: Set up a fetch-only remote?
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I don't think you can remove the push URL, you can only override it to be something other than the pull URL. So I think the closest you'll get is something like this:
$ git remote set-url --push origin no-pushing
$ git push
fa...
Synchronization vs Lock
...cking an object, I'd prefer to use synchronized
Example:
Lock.acquire();
doSomethingNifty(); // Throws a NPE!
Lock.release(); // Oh noes, we never release the lock!
You have to explicitly do try{} finally{} everywhere.
Whereas with synchronized, it's super clear and impossible to get wrong:
sy...
Add text to Existing PDF using Python
...ext added to, then use output.addPage() to add the modified pages to a new document
This works well for simple text additions. See PyPDF's sample for watermarking a document.
Here is some code to answer the question below:
packet = StringIO.StringIO()
can = canvas.Canvas(packet, pagesize=letter...
Disable Required validation attribute under certain circumstances
... controller actions. I am wondering this because on one of my edit forms I do not require the user to enter values for fields that they have already specified previously. However I then implement logic that when they enter a value it uses some special logic to update the model, such as hashing a val...
Update multiple columns in SQL
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The "tiresome way" is standard SQL and how mainstream RDBMS do it.
With a 100+ columns, you mostly likely have a design problem... also, there are mitigating methods in client tools (eg generation UPDATE statements) or by using ORMs
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Generate a random date between two other dates
How would I generate a random date that has to be between two other given dates?
26 Answers
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How can I echo HTML in PHP?
...ho
if(condition){
echo "HTML here";
}
With echos, if you wish to use double quotes in your HTML you must use single quote echos like so:
echo '<input type="text">';
Or you can escape them like so:
echo "<input type=\"text\">";
3. Heredocs
4. Nowdocs (as of PHP 5.3.0)
Template eng...
Random record in ActiveRecord
I'm in need of getting a random record from a table via ActiveRecord. I've followed the example from Jamis Buck from 2006 .
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Error type 3 Error: Activity class {} does not exist
...t I successfully imported to Android Studio 0.4.0. It works perfectly if I don't change anything in manifest. However, when I want to change the launcher activity and run, it fails with this error:
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Simple basic explanation of a Distributed Hash Table (DHT)
...t happens when a node leaves the network, by failing or otherwise? And how do you redistribute keys when a node joins so that the load is roughly balanced. Come to think of it, how do you evenly distribute keys anyhow? And when a node joins, how do you avoid rehashing everything? (Remember you'd hav...