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What is a “feature flag”?
...was that it's handy to have the control to reduce the feature-set somewhat if you need to, say, reduce db queries if the load is too high.
There are heaps of other reasons you would want to use this though - one of the main being enabling Continuous Delivery: pushing things into production/live ye...
MySQL: Fastest way to count number of rows
... mysql to php. Why do it when you can achieve the same on the mysql side?
If the COUNT(*) is slow, you should run EXPLAIN on the query, and check if indexes are really used, and where should they be added.
The following is not the fastest way, but there is a case, where COUNT(*) doesn't really f...
Searching word in vim?
... end of a word,
Adding @Roe's comment:
VIM provides a shortcut for this. If you already have word on screen and you want to find other instances of it, you can put the cursor on the word and press '*' to search forward in the file or '#' to search backwards.
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On select change, get data attribute value
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I've just come across this and I am wondering if the first method is preferred due to performance reasons, or another reason? @JordanBrown
– Clarkey
Aug 19 '15 at 15:31
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Paste in insert mode?
...ed to interact with x. Type vim --version and look for +xterm_clipboard. If you don't have that, you need a different version of vim. (vim.wikia.com/wiki/Accessing_the_system_clipboard)
– Conrad.Dean
Sep 26 '11 at 5:11
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Convert JSON String To C# Object
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If you are unsure of the format for your class object, try this link. It translates your Json string into the right classes. Saved me a ton of time!
– jade290
Jan 22 '16 at 16:03
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Identify duplicates in a List
...e method add of Set returns a boolean whether a value already exists (true if it does not exist, false if it already exists, see Set documentation).
So just iterate through all the values:
public Set<Integer> findDuplicates(List<Integer> listContainingDuplicates)
{
final Set<Inte...
Why is my process's Exited method not being called?
...g code, but why is the ProcessExited method never called? It is the same if I don't a use Windows shell ( startInfo.UseShellExecute = false ).
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How do I specify the platform for MSBuild?
I am trying to use MSBuild to build a solution with a specified target platform (I need both binaries, x86 and x64). This is how I tried it:
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What is [Serializable] and when should I use it?
...in memory. Because the .Net Framework takes care of that for you. However, if you want to store the contents of an object to a file, send an object to another process or transmit it across the network, you do have to think about how the object is represented because you will need to convert to a dif...