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How to truncate a foreign key constrained table?
...ion 1:
Remove constraints
Perform TRUNCATE
Delete manually the rows that now have references to nowhere
Create constraints
Option 2: suggested by user447951 in their answer
SET FOREIGN_KEY_CHECKS = 0;
TRUNCATE table $table_name;
SET FOREIGN_KEY_CHECKS = 1;
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Addressing localhost from a VirtualBox virtual machine [closed]
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@MichaelGiovanniPumo to my best knowledge you cannot map the url directly to a specific port. you have to state the port explicitly
– Jonathan Lin
Sep 25 '14 at 16:05
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python pandas remove duplicate columns
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It sounds like you already know the unique column names. If that's the case, then df = df['Time', 'Time Relative', 'N2'] would work.
If not, your solution should work:
In [101]: vals = np.random.randint(0,20, (4,3))
vals
Out[101]:
array([[ 3...
How to perform mouseover function in Selenium WebDriver using Java?
...e element that reveals the others, then during the same chain, move to the now revealed element and click on it.
When using Action Chains you have to remember to 'do it like a user would'.
Actions action = new Actions(webdriver);
WebElement we = webdriver.findElement(By.xpath("html/body/div[13]/ul...
Browser doesn't scale below 400px?
...to the right instead of to the bottom
Resize the inspector panel - you can now make the browser area really small (down to 0px)
Update: Chrome now allows you to arrange the inspector windows vertically when docked to the right! This really improves the layout.
The HTML and CSS panels fit really...
Android: Rotate image in imageview by an angle
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I know this is insanely late, but it was helpful for me so it may help others.
As of API 11, you can set the absolute rotation of an ImageView programmatically by using the imageView.setRotation(angleInDegrees); method.
By a...
How to style dt and dd so they are on the same line?
...arth (1 AU) is the largest and densest of the inner planets, the only one known to have current geological activity.</dd>
</dl>
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Get users by name property using Firebase
...primitives for managing lists of data:
Write to Firebase with a unique, known key:
ref.child('users').child('123').set({ "first_name": "rob", "age": 28 })
Append to lists with an auto-generated key that will automatically sort by time written:
ref.child('users').push({ "first_name": "rob", "age...
Switching to a TabBar tab view programmatically?
... work if I wanna switch the tab. lets say I click tab 3 and show alertView now as user press ok, I want to switch to tab 1 again. Self wont be right as its not the current object. Correct ?
– Alix
Aug 2 '14 at 6:46
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Infinity symbol with HTML
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Now this is the first page that comes up when you google the question.
– whitebeard
Jul 23 '15 at 11:25
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