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Select Row number in postgres
... You should also specify an order in OVER clause: OVER (ORDER BY id). Otherwise the order is not guaranteed.
– AlexM
Jun 14 '16 at 4:30
3
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In STL maps, is it better to use map::insert than []?
...perator[], just compare the size before and afterwards. Imho being able to call map::operator[] only for default constructible types is much more important.
– idclev 463035818
Feb 9 '18 at 14:52
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How to render a DateTime in a specific format in ASP.NET MVC 3?
...
If all you want to do is display the date with a specific format, just call:
@String.Format(myFormat, Model.MyDateTime)
Using @Html.DisplayFor(...) is just extra work unless you are specifying a template, or need to use something that is built on templates, like iterating an IEnumerable<T&...
Date ticks and rotation in matplotlib
... approach, move plt.xticks(rotation=70) to right before the two avail_plot calls, eg
plt.xticks(rotation=70)
avail_plot(axs[0], dates, s1, 'testing', 'green')
avail_plot(axs[1], dates, s1, 'testing2', 'red')
This sets the rotation property before setting up the labels. Since you have two axes her...
Checking if a SQL Server login already exists
... OK, thanks. I guess it's like table names in SELECT statements. Maybe the idea is to decrease the surface area vulnerable to attacks, though I don't know that it would help.
– LarsH
Apr 30 '14 at 18:38
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window.onload vs $(document).ready()
...nteraction. The event that fires in most browsers when the DOM is ready is called DOMContentLoaded, not DOMContentReady.
– Tim Down
Sep 13 '10 at 8:31
2
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What does the question mark and the colon (?: ternary operator) mean in objective-c?
....frame = (inPseudoEditMode) ? kLabelIndentedRect : kLabelRect;
is semantically equivalent to
if(inPseudoEditMode) {
label.frame = kLabelIndentedRect;
} else {
label.frame = kLabelRect;
}
The ternary with no first element (e.g. variable ?: anotherVariable) means the same as (valOrVar != 0) ? v...
Kiosk mode in Android
...task locking API in your app, verify that your
activity is authorized by calling
DevicePolicyManager.isLockTaskPermitted().
To activate task locking, call android.app.Activity.startLockTask()
from your authorized activity.
When task locking is active, the following behavior takes eff...
Why should I not include cpp files and instead use a header?
...member functions are compiled and assembled once, then other functions can call that code from one place without making duplicates. Your functions are declared as "extern" implicitly.
/* Function declaration, usually found in headers. */
/* Implicitly 'extern', i.e the symbol is visible everywhere,...
@Scope(“prototype”) bean scope not creating new bean
... will get a different instance.
If you want a different instance for each call - then you need to call getBean each time - injecting into a singleton bean will not achieve that.
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