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SQLite in Android How to update a specific row
...te a specific row for a while now, and it seems that there are two ways to do this. From what I've read and tried, you can just use the:
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Class 'DOMDocument' not found
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You need to install the DOM extension. You can do so on Debian / Ubuntu using:
sudo apt-get install php-dom
And on Centos / Fedora / Red Hat:
yum install php-xml
If you get conflicts between PHP packages, you could try to see if the specific PHP v...
OAuth secrets in mobile apps
...ecret string obtained from the service you want to delegate to. If you are doing this in a web app, you can simply store the secret in your data base or on the file system, but what is the best way to handle it in a mobile app (or a desktop app for that matter)?
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Stash just a single file
...e
# git commit -m "stashing the_file"
# git checkout master
go about and do what you want, and then later simply rebase and/or merge the tmpbranch. It really isn't that much extra work when you need to do more careful tracking than stash will allow.
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How do I list the functions defined in my shell?
...pply one or more function names to the declare -F command. IOW, declare -F does not supply filenames/line#s even when extdebug is enabled, which is not clear from the documentation, nor is it particularly intuitive, IMO.
– Ron Burk
May 16 '17 at 8:35
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Assigning variables with dynamic names in Java
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This is not how you do things in Java. There are no dynamic variables in Java. Java variables have to be declared in the source code1.
Depending on what you are trying to achieve, you should use an array, a List or a Map; e.g.
int n[] = new...
SQL Call Stored Procedure for each Row without using a cursor
...sometimes at the expense of changing the schema).
However, this snippet does have its place..
-- Declare & init (2008 syntax)
DECLARE @CustomerID INT = 0
-- Iterate over all customers
WHILE (1 = 1)
BEGIN
-- Get next customerId
SELECT TOP 1 @CustomerID = CustomerID
FROM Sales.Custo...
Ensuring json keys are lowercase in .NET
...ng yourself:
public class LowercaseJsonSerializer
{
private static readonly JsonSerializerSettings Settings = new JsonSerializerSettings
{
ContractResolver = new LowercaseContractResolver()
};
public static string SerializeObject(object o)
{
return JsonConvert.S...
What is referential transparency?
What does the term referential transparency mean? I've heard it described as "it means you can replace equals with equals" but this seems like an inadequate explanation.
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When is the thread pool used?
... reality of the situation is actually fairly complex, and typically boiled down to pithy little phrases like "node is single threaded" that over-simplify things.
For the moment, we'll ignore explicit multi-processing/multi-threading through cluster and webworker-threads, and just talk about typical...