大约有 41,000 项符合查询结果（耗时：0.0234秒） [XML]
mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to
...ysqli->error); // or $mysqli->error_list
}
else if ( !$stmt->bind_param('s', $_POST['username']) ) {
yourErrorHandler($stmt->error); // or $stmt->error_list
}
else if ( !$stmt->execute() ) {
yourErrorHandler($stmt->error); // or $stmt->error_list
}
else {
$result ...
What does the “@” symbol do in Powershell?
...s also the Splat operator.
PS> # First use it to create a hashtable of parameters:
PS> $params = @{path = "c:\temp"; Recurse= $true}
PS> # Then use it to SPLAT the parameters - which is to say to expand a hash table
PS> # into a set of command line parameters.
PS> dir @params
PS>...
javax.faces.application.ViewExpiredException: View could not be restored
...ack the state yourself by fiddling with hidden inputs and/or loose request parameters. Mainly those forms with input fields with rendered, readonly or disabled attributes which are controlled by ajax events will be affected.
Note that the <f:view> does not necessarily need to be unique throug...
Pass array to ajax request in $.ajax() [duplicate]
...w would you do it if you want info=arrayasvalues instead of every key is a param?
– Andres Ramos
Sep 27 '16 at 15:35
d...
Change default app.config at runtime
...p.Config file instead of the default.
/// </summary>
/// <param name="NewAppConfigFullPathName"></param>
public static void ChangeAppConfig(string NewAppConfigFullPathName)
{
AppDomain.CurrentDomain.SetData("APP_CONFIG_FILE", NewAppConfigFullPathName);
...
How to handle Handler messages when activity/fragment is paused
...ll be saved and replayed when the
* activity resumes.
*
* @param message
* the message which optional can be handled
* @return true if the message is to be stored
*/
protected abstract boolean storeMessage(Message message);
/**
* Notification m...
What's the best practice to round a float to 2 decimals? [duplicate]
...gives you this freedom.
/**
* Round to certain number of decimals
*
* @param d
* @param decimalPlace
* @return
*/
public static float round(float d, int decimalPlace) {
BigDecimal bd = new BigDecimal(Float.toString(d));
bd = bd.setScale(decimalPlace, BigDecimal.ROUND_HALF_UP);
return...
do..end vs curly braces for blocks in Ruby
...
task(:rake => pre_rake_task) {
something
}
Maybe using braces for parameters is something you want to do anyways, but if you don't it's probably best to use do..end in these cases to avoid this confusion.
share
...
Is it considered bad practice to perform HTTP POST without entity body?
...it's OK to send a POST request without a body and instead use query string parameters. But be careful if your parameters contain characters that are not HTTP valid you will have to encode them.
For example if you need to POST 'hello world' to and end point you would have to make it look like this: ...
find() with nil when there are no records
...cue nil solution by mohamed-ibrahim? Seems more elegant than .where(email: params[:email]).first to me.
– Wylliam Judd
Jan 22 '18 at 22:07
1
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