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c++ boost库 序列化与反序列化 - c++1y / stl - 清泛IT社区，为创新赋能！
... ar & BOOST_SERIALIZATION_NVP(obj.Param)
& BOOST_SERIALIZATION_NVP(obj.OrderRef)
& BOOST_SERIALIZATION_NVP(obj.User...
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 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>...
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...
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'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
...
How to use WHERE IN with Doctrine 2
...re', $qb->expr()->in('r.winner', array('?1')));
Wrapping the named parameter as an array causes the bound parameter number issue. By removing it from its array wrapping:
$qb->add('where', $qb->expr()->in('r.winner', '?1'));
This issue should be fixed. This might have been a probl...
Check whether an array is a subset of another
...s by using the default equality comparer.
/// </summary>
/// <typeparam name="TSource">The type of the elements of source.</typeparam>
/// <param name="source">A sequence in which to locate the values.</param>
/// <param name="values">The values to locate in the s...