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How do I insert NULL values using PDO?
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edited Jan 25 '15 at 5:35
NoobEditor
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How long do browsers cache HTTP 301s?
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15 Answers
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Padding between ActionBar's home icon and title
...Holo.Light.ActionBar">
<item name="android:background">#3f51b5</item>
<item name="android:titleTextStyle">@style/ActionBar.TitleText</item>
<item name="android:textColor">#fff</item>
<item name="android:textSize">18sp</i...
Getting the name of a variable as a string
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answered Dec 16 '19 at 20:52
Panwen WangPanwen Wang
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扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
... window.location.href = "../extensions/GestureDetector.html";
}, 500);
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扩展App Inventor：具有多点触控和手势检测功能
摘要
MIT App Inventor 是一个基于块的事件驱动编程工具，它允许每个...
Changing all files' extensions in a folder with one command on Windows
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keyserkeyser
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Hibernate Error: org.hibernate.NonUniqueObjectException: a different object with the same identifier
...n a primary key combination (column 1 and column 2). Now, you have removed 5 rows from the table at some point of time. Now, if you try to add the same 10 rows again, while hibernate tries to persist the objects in database, 5 rows which were already removed will be added without errors. Now the rem...
Reading specific lines only
...ory at once:
fp = open("file")
for i, line in enumerate(fp):
if i == 25:
# 26th line
elif i == 29:
# 30th line
elif i > 29:
break
fp.close()
Note that i == n-1 for the nth line.
In Python 2.6 or later:
with open("file") as fp:
for i, line in enumerat...
How to make a function wait until a callback has been called using node.js
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answered Feb 15 '11 at 22:35
JakobJakob
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What is the difference between D3 and jQuery?
... create binding between selection and data
var binding = selection.data([50, 100, 150]);
// update existing nodes
binding
.style('width', function(d) { return d + 'px'; });
// create nodes for new data
binding.enter()
.append('div')
.style('width', function(d) { return d + 'p...