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PostgreSQL: Difference between text and varchar (character varying)
... that decreasing a string length constraint is rare, depesz concludes that one of them is usually the best choice for a length limit.
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This app won't run unless you update Google Play Services (via Bazaar)
...Atom x86) and my Google Maps V2 application works again.
That was all .. none of the other steps regarding /system/app were required.
My application only uses the Google Maps API, no doubt, more steps are required if you use other Google Play services.
New files for latest Google Play services:
...
What are the basic rules and idioms for operator overloading?
...r, since operators are merely syntactic sugar, their actual work could be done by (and often is forwarded to) plain functions. But it is important that you get this boiler-plate code right. If you fail, either your operator’s code won’t compile or your users’ code won’t compile or your users...
Passing variable arguments to another function that accepts a variable argument list
..._list to another function that only takes a va_list, but that function (or one that it calls) must have some way of knowing what's in the va_list.
– Jonathan Leffler
Feb 14 at 20:18
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Reading Xml with XmlReader in C#
... XML, but still only need a small portion of the document in memory at any one time. Here's some sample code (adapted slightly from this blog post):
static IEnumerable<XElement> SimpleStreamAxis(string inputUrl,
string elementName)
{
using (XmlR...
What is the basic difference between the Factory and Abstract Factory Design Patterns? [closed]
... say, IFruit.
With the Abstract Factory pattern, you provide a way for anyone to provide their own factory. This allows your warehouse to be either an IFruitFactory or an IJuiceFactory, without requiring your warehouse to know anything about fruits or juices.
...
Best way to specify whitespace in a String.Split operation
...the characters used to split the string, your observation is not relevant: one cannot achieve what you seek using String.Split, so that requires a different Q&A.
– ToolmakerSteve
Oct 5 '15 at 23:58
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Kotlin Ternary Conditional Operator
...se. Compare this. b + if (a) c else d vs. b + (c if (a) else d) The latter one requires additional parentheses. because c is not enclosed by the condition and else.
– Naetmul
Mar 12 '18 at 4:46
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Convert pandas dataframe to NumPy array
...c'])
df.to_numpy()
array([[1, 4],
[2, 5],
[3, 6]])
As mentioned above, this method is also defined on Index and Series objects (see here).
df.index.to_numpy()
# array(['a', 'b', 'c'], dtype=object)
df['A'].to_numpy()
# array([1, 2, 3])
By default, a view is returned, so any modifi...
onclick open window and specific size
...itten without line breaks, once the variables are setup have everything in one line:
<a href="/index2.php?option=com_jumi&amp;fileid=3&amp;Itemid=11" onclick="window.open(this.href,'targetWindow','toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=SomeSize,hei...