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On design patterns: When should I use the singleton?
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On my quest for the truth I discovered that there are actually very few "acceptable" reasons to use a Singleton.
One reason that tends to come up over and over again on the internets is that of a "logging" class (which you ment...
How do I convert a float number to a whole number in JavaScript?
...eed it for positive numbers, Math.floor() is faster (at least according to my running of your first JSPerf test on Google Chrome, version 30.0.1599.101), more robust (because it doesn't depend on how numbers are represented in bits, which may change and possibly break this bitwise solution), and mos...
Learn C first before learning Objective-C [closed]
...velopment patterns IMHO); however, when I sometimes re-write Obj-C code of my colleagues (and I really only do so, if I think this is absolutely necessary), the resulting code is usually 50% smaller, needs only 25% of the memory it used before and is about 400% faster at runtime.
What I'm trying to...
Entity Framework and SQL Server View
...elect statement of your view in another select.
Example:
SELECT
ISNULL(MyPrimaryID,-999) MyPrimaryID,
NULLIF(AnotherProperty,'') AnotherProperty
FROM ( ... ) AS temp
share
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improve this an...
TSQL - How to use GO inside of a BEGIN .. END block?
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You saved my bacon! I was running merge statements and those dumb GO's don't like to be inside a IF BEGIN END ELSE
– Omzig
Nov 21 '18 at 19:57
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Insert line after first match using sed
...omething else. That's macOS sed not being POSIX compliant here. That makes my statement about it being portable incorrect (for the one line variant). I'll ask the opengroup for confirmation if it's indeed a non-conformance or a misinterpretation of the standard on my part.
– St...
CSS: fixed position on x-axis but not y?
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I love this solution, and just used it myself. One problem I have with it though is that the refreshes are kind of choppy when you do smooth scrolling (eg: by dragging the scrollbar). It seems javascript refresh is slower than css refresh. Any solution for this?
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Multiple working directories with Git?
...2.7.0-rc0 -- merge listed in batch #7) extended the path manipulation in a mysterious way.
If it is unable to strip "/.git" from the path, then it instead reports the current working directory as the linked worktree's path:
if (!strbuf_strip_suffix(&worktree_path, "/.git")) {
strbuf_reset(&a...
How to clear MemoryCache?
...ms from the cache with an expiration, Change monitor still gets called. 3. My machine was swallowing all of the CPU, and taking a really long time to clear 30k items from the cache when I was running performance tests. A few times after waiting 5+ minutes I just killed the tests.
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Android - Launcher Icon Size
...eated a script that exports Android launcher icons at velara3.com and from my research XXHDPI is 180x180 not 144. See developer.android.com/guide/practices/screens_support.html. Search on the page for, "180x180 (3.0x) for extra-extra-high-density". However, I've seen 144 a few places.
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