大约有 40,000 项符合查询结果(耗时:0.0593秒) [XML]
jquery: $(window).scrollTop() but no $(window).scrollBottom()
...'s answer below). What this gives is the # of vertical pixel from document _top_ to the visible window Bottom. It is useful for sure, though can't call it the opposite to ScrollBottom (I know this is a marked answer but for future readers like myself)
– DeepSpace101
...
MySQL pagination without double-querying?
... help a lot.
The other way is to use SQL_CALC_FOUND_ROWS clause and then call SELECT FOUND_ROWS(). apart from the fact you have to put the FOUND_ROWS() call afterwards, there is a problem with this: There is a bug in MySQL that this tickles that affects ORDER BY queries making it much slower on lar...
Android file chooser [closed]
...tent in an Intent.createChooser() like this:
private static final int FILE_SELECT_CODE = 0;
private void showFileChooser() {
Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
intent.setType("*/*");
intent.addCategory(Intent.CATEGORY_OPENABLE);
try {
startActivityFor...
Reshaping data.frame from wide to long format
...s melt/cast. Here is a solution with reshape, assuming your data frame is called d:
reshape(d,
direction = "long",
varying = list(names(d)[3:7]),
v.names = "Value",
idvar = c("Code", "Country"),
timevar = "Year",
times = 1950:1954)
...
Getting the name of the currently executing method
...
Thread.currentThread().getStackTrace() will usually contain the method you’re calling it from but there are pitfalls (see Javadoc):
Some virtual machines may, under some circumstances, omit one or more stack frames from the stack trace. In the extreme case, a virtua...
Inspect attached event handlers for any DOM element
...k= handler or HTML <element onclick="handler"> can be retrieved trivially from the element.onclick property from script or in-debugger.
Event handlers attached using DOM Level 2 Events addEventListener methods and IE's attachEvent cannot currently be retrieved from script at all. DOM Level 3 ...
Get individual query parameters from Uri [duplicate]
...ng:
public static class UriExtensions
{
private static readonly Regex _regex = new Regex(@"[?&](\w[\w.]*)=([^?&]+)");
public static IReadOnlyDictionary<string, string> ParseQueryString(this Uri uri)
{
var match = _regex.Match(uri.PathAndQuery);
var paramat...
MySQL string replace
...
Quick question, is it really needed to have the "WHERE" clause?
– John Crawford
Jul 17 '13 at 8:08
58
...
Search for one value in any column of any table inside a database
...
How to search all columns of all
tables in a database for a keyword?
http://vyaskn.tripod.com/search_all_columns_in_all_tables.htm
EDIT: Here's the actual T-SQL, in case of link rot:
CREATE PROC SearchAllTables
(
@SearchStr nvarchar...
What's a simple way to get a text input popup dialog box on an iPhone
...
answered Dec 29 '11 at 2:32
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