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How to use Swift @autoclosure
...a practical example — my print override (this is Swift 3):
func print(_ item: @autoclosure () -> Any, separator: String = " ", terminator: String = "\n") {
#if DEBUG
Swift.print(item(), separator:separator, terminator: terminator)
#endif
}
When you say print(myExpensiveFunction()...
Create request with POST, which response codes 200 or 201 and content
Suppose I write a REST service whose intent is to add a new data item to a system.
7 Answers
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java get file size efficiently
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Seems like the URL way is the best one to go for single access whether its XP or linux. Greetz GHad
– GHad
Sep 22 '08 at 20:45
74
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Parallel.ForEach vs Task.Run and Task.WhenAll
...g more tasks than necessary. Task.Run will always make a single task per item (since you're doing this), but the Parallel class batches work so you create fewer tasks than total work items. This can provide significantly better overall performance, especially if the loop body has a small amount of...
Saving timestamp in mysql table using php
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Like this:
INSERT INTO table_name
(id,d_id,l_id,connection,s_time,upload_items_count,download_items_count,t_time,status)
VALUES
(1,5,9,'2',FROM_UNIXTIME(1299762201428),5,10,20,'1'),
(2,5,9,'2',FROM_UNIXTIME(1299762201428),5,10,20,'1')
...
What does the @ symbol represent in objective-c?
...ature available from the runtime, which DO can look at to determine how to best serialize a transaction.) There are also the attributes within @property declarations, copy, retain, assign, readonly, readwrite, nonatomic, getter, and setter; those are only valid within the attribute section of a @pr...
PDO support for multiple queries (PDO_MYSQL, PDO_MYSQLND)
... $conn->beginTransaction();
try {
foreach ($arrayQuery AS $item) {
$stmt = $conn->prepare($item["query"]);
$stmt->execute($item["params"]);
$result = $stmt->rowCount();
if($result == 0)
$mx = false;
}
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How to convert a dictionary to query string in Python?
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While this may not be the best answer, it is exactly what I wanted to see when I clicked on this question's title. I have only 4 items in a dict that I need to turn into a name=value pair separated by an '&'. My values are controlled. The str.j...
Is it possible to center text in select box?
...nt you'd be able to change the styles on the spans etc to center align the items.
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Efficiently updating database using SQLAlchemy ORM
...lse)
def update(self):
s = session()
mapped_values = {}
for item in Media.__dict__.iteritems():
field_name = item[0]
field_type = item[1]
is_column = isinstance(field_type, InstrumentedAttribute)
if is_column:
mapped_values[field_name] = getattr(self, f...