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How to write log to file
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os.Open() must have worked differently in the past, but this works for me:
f, err := os.OpenFile("testlogfile", os.O_RDWR | os.O_CREATE | os.O_APPEND, 0666)
if err != nil {
log.Fatalf("error opening file: %v", err)
}
defer f.Close()
log.SetOutput(f)
log.Println("This is a test log entry")
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Matplotlib (pyplot) savefig outputs blank image
...urrent figure", then you can call savefig() on this Figure object at any time.
For example:
fig1 = plt.gcf()
plt.show()
plt.draw()
fig1.savefig('tessstttyyy.png', dpi=100)
In your code, 'tesssttyyy.png' is blank because it is saving the new figure, to which nothing has been plotted.
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How set the android:gravity to TextView from Java side in Android
...ginally the problem was setting the margins on a text field. I guess I assumed because i couldnt find a setMargin() method that setGravity wouldnt exist either.
– Nate
Sep 23 '10 at 9:17
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How do you turn off version control in android studio?
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Thanks a ton , i was getting some errors with git and i'm just learning stuff and did;nt need Version control after all
– Sainath S.R
Dec 28 '14 at 9:58
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Set the selected index of a Dropdown using jQuery
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First of all - that selector is pretty slow. It will scan every DOM element looking for the ids. It will be less of a performance hit if you can assign a class to the element.
$(".myselect")
To answer your question though, there are a few ways to change the select elements value in jQuery
/...
frequent issues arising in android view, Error parsing XML: unbound prefix
...f reasons that this can happen:
1) You see this error with an incorrect namespace, or a typo in the attribute. Like 'xmlns' is wrong, it should be xmlns:android
2) First node needs to contain:
xmlns:android="http://schemas.android.com/apk/res/android"
3) If you are integrating AdMob, check custom...
compareTo() vs. equals()
...or equality of String 's in Java I have always used equals() because to me this seems to be the most natural method for it. After all, its name already says what it is intended to do. However, a colleague of mine recently told me had been taught to use compareTo() == 0 instead of equals() . Th...
How to alter a column and change the default value?
...ARCHAR(255) NOT NULL DEFAULT '{}';
A second possibility which does the same (thanks to juergen_d):
ALTER TABLE foobar_data CHANGE COLUMN col col VARCHAR(255) NOT NULL DEFAULT '{}';
share
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impro...
Moving default AVD configuration folder (.android)
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I've found the answer.
Move .android folder to E:\Android
Create environment variable called
ANDROID_SDK_HOME and set its value to
E:\Android
Setting the environment variable on Windows XP or Windows 7:
Right-click on My Computer and choose "Properties"
Click the "Advanced" tab
Click the butt...
ImportError: no module named win32api
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This only worked for me AFTER I restarted Spyder. Most times new packages work immediately after being installed, but not in this case.
– Sean McCarthy
Jun 29 '18 at 17:46
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