大约有 42,000 项符合查询结果(耗时:0.0615秒) [XML]
Checking for an empty field with MySQL
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I have same comment as Quassnoi's. I issue "select orig_id,hotline from normal_1952 where !(hotline > '')" and there's one record with null hotline but it doesn't match.I'm using MySQL 5.6
– Scott Chu
Apr 15 '16 at 10:16
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Jelly Bean DatePickerDialog — is there a way to cancel?
...sure if it's appropriate to close this as a duplicate, since i think I provided a much better explanation of the issue. I'm not sure if I should edit the other question and paste this content there, but I'm not comfortable changing someone else's question too much. ---
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Oracle find a constraint
...r indeed a primary or unique key. For example:
SQL> create table t23 (id number not null primary key)
2 /
Table created.
SQL> select constraint_name, constraint_type
2 from user_constraints
3 where table_name = 'T23'
4 /
CONSTRAINT_NAME C
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Naming cookies - best practices [closed]
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It should be something that avoids naming conflicts with arbitrary _GET and _POST params you might be using, since _REQUEST wraps all three global arrays (!), with precedence depending on how your variables_order setting is set in php.ini. In other words, ...
How can I count the number of children?
..., just change the selector to match only his one, for example if it has an ID you'd use "#myListID > li".
In other situations where you don't know the child type, you can use the * (wildcard) selector, or .children(), like this:
var count = $(".parentSelector > *").length;
or:
var count =...
jQuery, get html of a whole element [duplicate]
...clone();
You will get this for first query as asked in question
<div id="div1">
<p>Some Content</p>
</div>
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keycode 13 is for which key
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How did you create the "key effect" for the Enter phrase in your answer?
– Sarwar Erfan
May 22 '11 at 7:45
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Event for Handling the Focus of the EditText
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editText.setOnFocusChangeListener(new OnFocusChangeListener() {
@Override
public void onFocusChange(View view, boolean hasFocus) {
if (hasFocus) {
Toast.makeText(getApplicationContext(), "Got the focus", Toast.LENGTH_LONG).show();
} else {
Toast.makeT...
How can I add comments in MySQL?
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Is there any general best practice or style guideline for when to use these different syntaxes? Obviously the last one is ideal for multi-line comments, but is there any rule of thumb for single-line comments?
– StockB
Nov 21 '16 at...
Is there a hosted version of Twitter Bootstrap? [closed]
...encourages using LESS to generate customized CSS tends to imply that consolidating to a single custom file is the recommended practice.
– merv
Jun 14 '12 at 19:24
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