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In Go's http package, how do I get the query string on a POST request?
... I found it interesting req.Form is empty array unless req.formValue("some_field") is invoked at lease once.
– Qian Chen
Jun 21 '15 at 14:51
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SQL Server - transactions roll back on error?
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You can put set xact_abort on before your transaction to make sure sql rolls back automatically in case of error.
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What are the basic rules and idioms for operator overloading?
...ey.
The canonical form of providing these is this:
class X {
value_type& operator[](index_type idx);
const value_type& operator[](index_type idx) const;
// ...
};
Unless you do not want users of your class to be able to change data elements returned by operator[] (in which cas...
What's the state of the art in email validation for Rails?
...ou are interested, please write me on the github project : hallelujah/valid_email
– Hallelujah
May 19 '14 at 9:01
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Callback when CSS3 transition finishes
... excellent reference:
https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Transitions/Using_CSS_transitions#Detecting_the_start_and_completion_of_a_transition
For animations it's very similar:
$("#someSelector").bind("animationend webkitAnimationEnd oAnimationEnd MSAnimationEnd", function(){ ......
Intent - if activity is running, bring it to front, else start a new one (from notification)
...nt = new Intent(context, MainActivity.class);
intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP | Intent.FLAG_ACTIVITY_CLEAR_TOP);
return PendingIntent.getActivity(context, NON_ZERO_REQUEST_CODE, intent,
PendingIntent.FLAG_UPDATE_CURRENT);
}
Here FLAG_ACTIVITY_SINGLE_TOP opens existin...
Could not calculate build plan: Plugin org.apache.maven.plugins:maven-resources-plugin:2.5 or one of
...ained the proxy settings (settings.xml can exist in two places one in MAVEN_HOME. The other in %userprofile%.m2\ with the later having higher precedence):
<proxy>
<id>optional</id>
<active>true</active>
<protocol>http</protocol>
<username>opti...
Is there a method to generate a UUID with go language
...
"crypto/rand"
"fmt"
)
// Note - NOT RFC4122 compliant
func pseudo_uuid() (uuid string) {
b := make([]byte, 16)
_, err := rand.Read(b)
if err != nil {
fmt.Println("Error: ", err)
return
}
uuid = fmt.Sprintf("%X-%X-%X-%X-%X", b[0:4], b[4:6], b[6:8], b[8:...
How to detect orientation change?
... the notification var in your callback,
// you can safely replace it with _
var didRotate: (Notification) -> Void = { notification in
switch UIDevice.current.orientation {
case .landscapeLeft, .landscapeRight:
print("landscape")
case .portrait, .portraitUp...
How do you set, clear, and toggle a single bit?
... << x); will not put the value of bit x into bit unless bit has type _Bool (<stdbool.h>). Otherwise, bit = !!(number & (1 << x)); will..
– Chris Young
Nov 16 '08 at 7:49
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