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Optional Parameters in Go?
...first write only one constructor:
func NewFoobar(options ...func(*Foobar) error) (*Foobar, error){
fb := &Foobar{}
// ... (write initializations with default values)...
for _, op := range options{
err := op(fb)
if err != nil {
return nil, err
}
}
return fb, nil
}
w...
java.lang.RuntimeException: Unable to instantiate activity ComponentInfo
...
While launching the application in the android 1.5 emulator , I got these errors....
Any one have some hint..?
42 Answers
...
Libraries not found when using CocoaPods with iOS logic tests
...
I get strange errors with this - when testing, isSubclassOfClass: calls return NO where they should return YES. The only reason I can explain this is that the dependencies really get linked to both the main and the test target, and when th...
Pandas read_csv low_memory and dtype options
...ed
import pandas as pd
try:
from StringIO import StringIO
except ImportError:
from io import StringIO
csvdata = """user_id,username
1,Alice
3,Bob
foobar,Caesar"""
sio = StringIO(csvdata)
pd.read_csv(sio, dtype={"user_id": int, "username": "string"})
ValueError: invalid literal for long() ...
Using column alias in WHERE clause of MySQL query produces an error
The query I'm running is as follows, however I'm getting this error:
8 Answers
8
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“Auth Failed” error with EGit and GitHub
...h my GitHub account, but when I try to configure it I get an "Auth Failed" error.
23 Answers
...
Correct way to close nested streams and writers in Java [duplicate]
... be reasonably expected to handle and recover from. Also you've also taken Error's and made them into RuntimeException's.
– steinybot
Sep 30 '14 at 20:54
...
How do I use HTML as the view engine in Express?
...commented out the reference to app.set('view engine', html). I then got an error message that "No default engine was specified and no extension was provided", which is expected. But when I changed the res.render("index") to res.render("index.html"), I got the following error: TypeError: Property 'en...
Application Error - The connection to the server was unsuccessful. (file:///android_asset/www/index.
...t of time in milliseconds waited while loading the page before throwing an error: cordova.apache.org/docs/en/latest/config_ref/index.html
– Cedric Reichenbach
Mar 28 '16 at 17:00
...
how to show alternate image if source image is not found? (onerror working in IE but not in mozilla)
...ry nice and short
<img src="imagenotfound.gif" alt="Image not found" onerror="this.src='imagefound.gif';" />
But, be careful. The user's browser will be stuck in an endless loop if the onerror image itself generates an error.
EDIT
To avoid endless loop, remove the onerror from it at once...