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PostgreSQL LIKE query performance variations
...ocale (effectively no locale), then everything is sorted according to byte order anyway and a plain btree index with default operator class does the job.
More details, explanation, examples and links in these related answers on dba.SE:
Pattern matching with LIKE, SIMILAR TO or regular expressions...
How to create REST URLs without verbs?
...ting to change the state of a resource. It is no different that making an order "completed", or some other request "submitted". There are numerous ways to model these kinds of state change but one that I find that often works is to create collection resources for resources of the same state and th...
How do you create a transparent demo screen for an Android app?
...d for me, but I had problems in my activities doing extend Activity. So in order to use AppCompatActivity I defined the style like this: <style name="Transparent" parent="Theme.AppCompat"> <item name="android:windowContentOverlay">@null</item> <item name="androi...
What does “yield break;” do in C#?
...local variables), and each time it is scheduled it takes some action(s) in order to reach a new state. The key point about yield is that, unlike the operating system threads we're used to, the code that uses it is frozen in time until the iteration is manually advanced or terminated.
...
Git vs Team Foundation Server [closed]
... discourage the moment-to-moment kind of work the developers have to do in order to make really good branch-and-merge work. Distributed systems encourage what I call "apposite" commits (self-contained, small commits of relevant work with good descriptions) and centralized systems encourage what I c...
How do I properly clean up Excel interop objects?
...able reference.
You should also release your named references in reverse order of importance: range objects first, then worksheets, workbooks, and then finally your Excel Application object.
For example, assuming that you had a Range object variable named xlRng, a Worksheet variable named xlSheet...
When do you use map vs flatMap in RxJava?
...t his id when user login in. Obviously I need two requests and they are in order.
Let's begin.
Observable<LoginResponse> login(String email, String password);
Observable<UserInfo> fetchUserInfo(String userId);
Here are two methods, one for login returned Response, and another for ...
store and retrieve a class object in shared preference
... this problem so far. No dependencies. However, it should be noted that in order to be able to use ObjectOutput/InputStream for an object, the said object and all custom objects within it must implement the Serializable interface.
– user1112789
Apr 25 '15 at 19...
Performance difference for control structures 'for' and 'foreach' in C#
...reach loop: 2005ms
Swapping them around to see if it deals with the order of things yields the same results (nearly).
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Hide/Show Column in an HTML Table
...ittle more organically to a table header, and collapse the column width in order to add some (somewhat wonky) css animations to make the transition a little less jumpy.
Working Demo in jsFiddle & Stack Snippets:
$(function() {
// on init
$(".table-hideable .hide-col").each(HideColu...