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How to concatenate two strings to build a complete path
... a directory. Then I want to append some strings at the end of this string and build a path to some subdirectories.
For example assume user enters an string like this:
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Add a column to a table, if it does not already exist
... sys.columns
WHERE object_id = OBJECT_ID(N'[dbo].[Person]')
AND name = 'ColumnName'
)
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Remove plot axis values
...bty setting that puts lines where your axes are. The default is bty = 'o' and so normally there will be a box around the plot where axes would be. But with a bty = 'n' there would just be points floating in space.
– John
Aug 23 '11 at 10:23
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Iterating through a Collection, avoiding ConcurrentModificationException when removing objects in a
...= new ArrayList<>();
// This is a clever way to create the iterator and call iterator.hasNext() like
// you would do in a while-loop. It would be the same as doing:
// Iterator<String> iterator = list.iterator();
// while (iterator.hasNext()) {
for (Iterator<String> iterat...
Detect if Android device has Internet connection
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The best way to check if there is an active Internet connection is to try and connect
to a known server via http.
public static boolean hasActiveInternetConnection(Context context) {
if (isNetworkAvailable(context)) {
try {
HttpURLConnection urlc = (HttpURLConnection) (new...
OR is not supported with CASE Statement in SQL Server
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For the second case, why does only 'IN' work and not '='?
– Han
Jun 13 '16 at 14:53
26
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How do you search an amazon s3 bucket?
I have a bucket with thousands of files in it. How can I search the bucket? Is there a tool you can recommend?
21 Answers
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Retrieve the position (X,Y) of an HTML element relative to the browser window
I want to know how to get the X and Y position of HTML elements such as img and div in JavaScript relative to the browser window.
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How to saveHTML of DOMDocument without HTML wrapper?
...gling to output the DOMDocument without it appending the XML, HTML, body and p tag wrappers before the output of the content. The suggested fix:
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How can you programmatically tell an HTML SELECT to drop down (for example, due to mouseover)?
...ou can't do this with a HTML select tag, but you can do it with JavaScript and HTML. There are variety of existing controls that do this - for instance, the "suggest" list attached to the SO "interesting/ignored tag" entry, or Gmail's lookup for email adresses.
There are many JavaScript+HTML contro...