大约有 8,000 项符合查询结果（耗时：0.0176秒） [XML]
Any way to clear python's IDLE window?
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100
The "cls" and "clear" are commands which will clear a terminal (ie a DOS prompt, or terminal w...
Android: How to handle right to left swipe gestures
...pleOnGestureListener {
private static final int SWIPE_THRESHOLD = 100;
private static final int SWIPE_VELOCITY_THRESHOLD = 100;
@Override
public boolean onDown(MotionEvent e) {
return true;
}
@Override
public boolean onFling(Moti...
How to parse float with two decimal places in javascript?
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If you need performance (like in games):
Math.round(number * 100) / 100
It's about 100 times as fast as parseFloat(number.toFixed(2))
http://jsperf.com/parsefloat-tofixed-vs-math-round
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One-line list comprehension: if-else variants
...ssion you're returning for each element. Thus you need:
[ x if x%2 else x*100 for x in range(1, 10) ]
The confusion arises from the fact you're using a filter in the first example, but not in the second. In the second example you're only mapping each value to another, using a ternary-operator exp...
GridLayout (not GridView) how to stretch all children evenly
...TextView
android:layout_width="0dp"
android:layout_height="100dp"
grid:layout_columnWeight="1"
grid:layout_gravity="fill_horizontal"
android:gravity="center"
android:background="#FF33B5E5"
android:text="Tile1" />
<TextView
an...
Plotting two variables as lines using ggplot2 on the same graph
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library(ggplot2)
library(tidyr)
test_data <-
data.frame(
var0 = 100 + c(0, cumsum(runif(49, -20, 20))),
var1 = 150 + c(0, cumsum(runif(49, -10, 10))),
date = seq(as.Date("2002-01-01"), by="1 month", length.out=100)
)
test_data %>%
gather(key,value, var0, var1) %>%
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Add one row to pandas DataFrame
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|------------|-------------|-------------|-------------|
| Approach | 1000 rows | 5000 rows | 10 000 rows |
|------------|-------------|-------------|-------------|
| .append | 0.69 | 3.39 | 6.78 |
|------------|-------------|-------------|-------------|
| .loc w/o ...
How to find a text inside SQL Server procedures / triggers?
...hat will change. Some procedures call the linked server like this: [10.10.100.50].dbo.SPROCEDURE_EXAMPLE . We have triggers also doing this kind of work. We need to find all places that uses [10.10.100.50] to change it.
...
How to repair a serialized string which has been corrupted by an incorrect byte count length?
...bscribe";i:0;s:15:"submit_comments";s:4:"open";s:5:"image";s:19:"C:fakepath100.jpg";}';
Example without recalculation
var_dump(unserialize($data));
Output
Notice: unserialize() [function.unserialize]: Error at offset 337 of 338 bytes
Recalculating
$data = preg_replace('!s:(\d+):"(.*?)";!...
Make anchor link go some pixels above where it's linked to
...hange", function () {
window.scrollTo(window.scrollX, window.scrollY - 100);
});
This will allow the browser to do the work of jumping to the anchor for us and then we will use that position to offset from.
EDIT 1:
As was pointed out by @erb, this only works if you are on the page while the ...