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Reading Excel files from C#
...ameHere");
DataTable data = ds.Tables["anyNameHere"];
This is what I usually use. It is a little different because I usually stick a AsEnumerable() at the edit of the tables:
var data = ds.Tables["anyNameHere"].AsEnumerable();
as this lets me use LINQ to search and build structs from the fie...
Blocks and yields in Ruby
...trary segments of code.
When a method expects a block, it invokes it by calling the yield function.
This is very handy, for instance, to iterate over a list or to provide a custom algorithm.
Take the following example:
I'm going to define a Person class initialized with a name, and provide a ...
How do I remedy “The breakpoint will not currently be hit. No symbols have been loaded for this docu
...ugging, as soon as you've arrived at a breakpoint or used Debug > Break All, use Debug > Windows > Modules. You'll see a list of all the assemblies that are loaded into the process. Locate the one you want to get debug info for. Right-click it and select Symbol Load Information. You'll ...
How to configure Mac OS X term so that git has color? [closed]
...ly enables color for the 'git diff' command. Do this to enable colors for all git commands:
$ git config --global color.ui true
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How do I center a window onscreen in C#?
...
The documentation you reference does say "Do not call this directly from your code." though it doesn't say why.
– Stephen Turner
Jun 9 '14 at 13:11
4
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How to check null objects in jQuery
...em to have enough reputation to vote down the answer...)
Wolf wrote:
Calling length property on undefined
or a null object will cause IE and
webkit browsers to fail!
Instead try this:
// NOTE!! THE FOLLOWING IS WRONG; DO NOT USE! -- EleotleCram
if($("#something") !== null){
// do ...
psql: could not connect to server: No such file or directory (Mac OS X)
...
WARNING: If you delete postmaster.pid without making sure there are really no postgres processes running you, could permanently corrupt your database. (PostgreSQL should delete it automatically if the postmaster has exited.).
SOLUTION: This fixed the issue--I deleted this file, and then everyt...
How do I terminate a thread in C++11?
...
You could call std::terminate() from any thread and the thread you're referring to will forcefully end.
You could arrange for ~thread() to be executed on the object of the target thread, without a intervening join() nor detach() on that...
Set scroll position
...'m trying to set the scroll position on a page so the scroller is scrolled all the way to the top.
4 Answers
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How JavaScript closures are garbage collected
...e expected behavior.
From Mozilla's Memory management page: "As of 2012, all modern browsers ship a mark-and-sweep garbage-collector." "Limitation: objects need to be made explicitly unreachable".
In your examples where it fails some is still reachable in the closure. I tried two ways to make it...