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When should I use perror(“…”) and fprintf(stderr, “…”)?
...should use fprintf(stderr, fmt, ...). For example, strtol will return LONG_MAX or LONG_MIN if a string is out of range and set errno to ERANGE. So if strtol fails due to out of range, I would use perror.
– freeboy1015
Aug 24 '12 at 2:22
...
Detect if stdin is a terminal or pipe?
... is a file or a pipe\n");
(On windows they're prefixed with underscores: _isatty, _fileno)
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Lombok is not generating getter and setter
...ng the issue not sure whats wrong is going on ?
– Pra_A
Sep 30 '17 at 19:34
Do you have any error message? Can you im...
How do I get the last inserted ID of a MySQL table in PHP?
...ng PDO, use PDO::lastInsertId.
If you're using Mysqli, use mysqli::$insert_id.
If you're still using Mysql:
Please, don't use mysql_* functions in new code. They are no longer maintained and are officially deprecated. See the red box? Learn about prepared statements instead, and use PDO or MyS...
“Debug certificate expired” error in Eclipse Android plugins
...exe can be found in the JDK bin folder (e.g. C:\Program Files\Java\jdk1.6.0_31\bin\ on Windows).
ADT sets the first and last name on the certificate as "Android Debug", the organizational unit as "Android" and the two-letter country code as "US". You can leave the organization, city, and state valu...
How to write :hover condition for a:before and a:after?
... answered Jul 14 at 14:12
shree_2433shree_2433
1
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...
App store link for “rate/review this app”
...cts/MZStore.woa/wa/viewContentsUserReviews?type=Purple+Software&id=YOUR_APP_ID
This works on my end (Xcode 5 - iOS 7 - Device!):
itms-apps://itunes.apple.com/app/idYOUR_APP_ID
For iOS 8 or later:
itms-apps://itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews?id=YOUR_APP_ID&...
Keeping ASP.NET Session Open / Alive
... use the method above. If the second, try something like using the Session_End event handler.
If you have Forms Authentication, then you get something in the Global.asax.cs like
FormsAuthenticationTicket ticket = FormsAuthentication.Decrypt(formsCookie.Value);
if (ticket.Expired)
{
Request.C...
Why does one use dependency injection?
...ime.Now; }}
}
public class OfferWeasel
{
private readonly IGotTheTime _time;
public OfferWeasel(IGotTheTime time)
{
_time = time;
}
public Offer Create(Formdata formdata)
{
var offer = new Offer();
offer.LastUpdated = _time.Now;
return offer...
Using R to download zipped data file, extract, and import data
...on. This example reads a .xls file.
url <-"https://www1.toronto.ca/City_Of_Toronto/Information_Technology/Open_Data/Data_Sets/Assets/Files/fire_stns.zip"
temp <- tempfile()
temp2 <- tempfile()
download.file(url, temp)
unzip(zipfile = temp, exdir = temp2)
data <- read_xls(file.path(tem...