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Useless use of cat?
... of the award until today when some rookie tried to pin the UUOC on me for one of my answers. It was a cat file.txt | grep foo | cut ... | cut .... I gave him a piece of my mind, and only after doing so visited the link he gave me referring to the origins of the award and the practice of doing so. F...
What is the best practice for “Copy Local” and with project references?
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In a previous project I worked with one big solution with project references and bumped into a performance problem as well. The solution was three fold:
Always set the Copy Local property to false and enforce this via a custom msbuild step
Set the output dire...
Func delegate with no return type
...lt:
public delegate TResult Func<TResult>()
Action<T> takes one argument and does not return a value:
public delegate void Action<T>(T obj)
Action is the simplest, 'bare' delegate:
public delegate void Action()
There's also Func<TArg1, TResult> and Action<TArg1, T...
Convert a list of objects to an array of one of the object's properties
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For everyone who is stuck with .NET 2.0, like me, try the following way (applicable to the example in the OP):
ConfigItemList.ConvertAll<string>(delegate (ConfigItemType ci)
{
return ci.Name;
}).ToArray();
where ConfigI...
How to delete every other line in Vim?
...ike to delete every other line from a Vim buffer, starting with the second one, i.e., lines 2, 4, 6, etc. For example, if the buffer’s contents is:
...
What does curly brackets in the `var { … } = …` statements do?
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They're both JavaScript 1.7 features. The first one is block-level variables:
let allows you to declare variables, limiting its scope to the block, statement, or expression on which it is used. This is unlike the var keyword, which defines a variable globally, or local...
Java Garbage Collection Log messages
...768K), 1.8479984 secs]
Here we see two minor collections followed by one major collection. The numbers before and after the arrow (e.g., 325407K->83000K from the first line) indicate the combined size of live objects before and after garbage collection, respectively. After minor collections...
Run an app on a multiple devices automatically in Android Studio
...rying to debug apps, not run. AS allows to run multi device but debug just one.
– guness
Sep 4 '15 at 8:44
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show 7 more comments
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Tactics for using PHP in a high-load site
...ds. Treat me as (sigh) an alien that has just landed on the planet, albeit one that knows PHP and a few optimisation techniques.
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Format output string, right alignment
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I thought I'd add a more direct link than the one provided: docs.python.org/2/library/…
– brw59
May 12 '16 at 7:12
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