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When to use self over $this?
...head explode. I did get some more information that I found helpful further down, but for now I was just trying to figure out why I hit my class attributes with $this->attrib and the class constants with self::constant. This helped me understand that better
– MydKnight
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When use getOne and findOne methods Spring Data JPA
...rieved and what you should expect the method to return. The answer further down by @davidxxx highlights this very well, and I think everyone who uses Spring Data JPA should be aware of this. Otherwise, it can cause quite a bit of headache.
– fridberg
Dec 4 '17 ...
How Scalable is SQLite? [closed]
...abase when I was serving it from a web page. This partially caused the slowdown I was experiencing. However, the observation of database-locking stands - if you have particularly onerous updates, SQLite performance won't match MySQL or Postgres.
another edit: Since I posted this almost 3 months ago...
right click context menu for datagridview
..., or Metro/Mono/Web/WPF porting might not work and keyboard shortcuts will down right fail (Shift+F10 or Context Menu key).
Cell selection on right mouse click has to be handled manually. Showing the context menu does not need to be handled as this is handled by the UI.
This completely mimics the ...
std::unique_ptr with an incomplete type won't compile
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As Alexandre C. mentioned, the problem comes down to window's destructor being implicitly defined in places where the type of window_impl is still incomplete. In addition to his solutions, another workaround that I've used is to declare a Deleter functor in the header:...
Cooler ASCII Spinners? [closed]
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@ADTC Added (5th one down).
– mpen
Dec 15 '15 at 19:30
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How do I get a Cron like scheduler in Python? [closed]
...inutes
nextRunTime = getNextCronRunTime(schedule)
while True:
roundedDownTime = roundDownTime()
if (roundedDownTime == nextRunTime):
####################################
### Do your periodic thing here. ###
####################################
nextRunTi...
Best way to store time (hh:mm) in a database
...t this has ALWAYS resulted in problems, headaches and wasted time later on down the line. ALWAYS consider all time zones.
C#
A DateTime renders nicely to a string in C#. The ToString(string Format) method is compact and easy to read.
E.g.
new TimeSpan(EventStart.Ticks - EventEnd.Ticks).ToString...
Sharing link on WhatsApp from mobile website (not application) for Android
...id, WhatsApp web, IOS etc.
You just need to use this format:
<a href="https://api.whatsapp.com/send?phone=whatsappphonenumber&text=urlencodedtext"></a>
UPDATE-- Use this from now(Nov-2018)
<a href="https://wa.me/whatsappphonenumber/?text=urlencodedtext"></a>
U...
How do you use https / SSL on localhost?
... property pages, then start options and assign the start URL - put the new https with the new port (usually 44301 - notice the similarity to port 443) and your project will start correctly from then on.
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