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Fastest way to determine if an integer is between two integers (inclusive) with known sets of values
...inite set of values, then you could create a lookup table. Performing the indexing might be more expensive, but if you can fit the entire table in cache, then you can remove all branching from the code, which should speed things up.
For your data the lookup table would be 128^3 = 2,097,152. If yo...
Batch file to delete files older than N days
...orfiles documentation for more details.
For more goodies, refer to An A-Z Index of the Windows XP command line.
If you don't have forfiles installed on your machine, copy it from any Windows Server 2003 to your Windows XP machine at %WinDir%\system32\. This is possible since the EXE is fully c...
git stash blunder: git stash pop and ended up with merge conflicts
...things:
Decide not to merge. The only clean-ups you need are to reset the index file to the HEAD commit to reverse 2. and to clean up working tree changes made by 2. and 3.; git-reset --hard can be used for this.
Resolve the conflicts. Git will mark the conflicts in the working tree. Edit the file...
How to add spacing between UITableViewCell
...h table view row
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell:UITableViewCell = self.tableView.dequeueReusableCell(withIdentifier: cellReuseIdentifier) as UITableViewCell!
// note that indexPath.sec...
Run JavaScript code on window close or page refresh?
...ntListener("beforeunload", function(e){
// Do something
}, false);
Usually, onbeforeunload is used if you need to stop the user from leaving the page (ex. the user is working on some unsaved data, so he/she should save before leaving). onunload isn't supported by Opera, as far as I know, but yo...
How to move files from one git repo to another (not a clone), preserving history
...lected subdirectory. If you want to select just one file, have a look at --index-filter in the filter-branch manpage.
– Cascabel
Apr 3 '12 at 16:48
9
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Why doesn't java.util.Set have get(int index)?
...ld someone please explain why the java.util.Set interface lacks get(int Index) , or any similar get() method?
18 Answe...
How to get the first element of an array?
... This assumes that the first element in the array is always has an index of 0. You know what they say about assumption...
– Andy
Aug 9 '15 at 16:19
16
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What are the differences between Autotools, Cmake and Scons?
...
In truth, Autotools' only real 'saving grace' is that it is what all the GNU projects are largely using.
Issues with Autotools:
Truly ARCANE m4 macro syntax combined with verbose, twisted shell scripting for tests for "compatibility", etc.
If you're not paying attention, you will mess u...
Can we define implicit conversions of enums in c#?
...Enum.CTXT] = "as";
arr[PseudoEnum.CTXT] = "array";
arr[PseudoEnum.OUTP] = "index";
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