大约有 15,000 项符合查询结果（耗时：0.0327秒） [XML]
Creating Unicode character from its number
... gives res11: scala.collection.immutable.IndexedSeq[String] = Vector(f468, 200d, f3a8) This emoji, "male singer", is addressed with the three code points U+1f468, U+200d and U+1f3a8. The most significant digit is missing. I can add it with a bitwise OR (stackoverflow.com/a/2220476/1007926), but d...
Android LinearLayout : Add border with shadow around a LinearLayout
...hic:
The result:
The source:
<LinearLayout
android:layout_width="200dp"
android:layout_height="200dp"
android:orientation="vertical"
android:background="@drawable/my_nine_patch"
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i...
Check whether HTML element has scrollbars
... This fails in many cases. If your element has overflow: visible; width: 200px; and has a child with a 500px width, your element has no scroll bars but has a scrollWidth of 500px and a clientWidth of 200px.
– Joseph Lennox
Mar 5 '14 at 21:17
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Get a filtered list of files in a directory
...data/ks_100_1',
'data/ks_100_2', 'data/ks_106_0', 'data/ks_19_0', 'data/ks_200_0', 'data/ks_200_1',
'data/ks_300_0', 'data/ks_30_0', 'data/ks_400_0', 'data/ks_40_0', 'data/ks_45_0',
'data/ks_4_0', 'data/ks_500_0', 'data/ks_50_0', 'data/ks_50_1', 'data/ks_60_0',
'data/ks_82_0', 'data/ks_lecture_dp...
Why should I not include cpp files and instead use a header?
So I finished my first C++ programming assignment and received my grade. But according to the grading, I lost marks for including cpp files instead of compiling and linking them . I'm not too clear on what that means.
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Macro vs Function in C
...olymorphic behavior, unintentional polymorphism may be difficult to avoid. C++ has a number of features such as templates to help create complex polymorphic constructs in a typesafe way without the use of macros; see Stroustrup's The C++ Programming Language for details.
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Is it possible to style a select box? [closed]
...set the select box's opacity to 0.
.select {
opacity : 0;
width: 200px;
height: 15px;
}
<select class='select'>
<option value='foo'>bar</option>
</select>
this is so you can still click on it
Then make div with the same dimensions as the select box. ...
Smart pointers: who owns the object? [closed]
C++ is all about memory ownership - aka ownership semantics .
11 Answers
11
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Detect and exclude outliers in Pandas data frame
...u would do in numpy.array
df = pd.DataFrame({'Data':np.random.normal(size=200)})
# example dataset of normally distributed data.
df[np.abs(df.Data-df.Data.mean()) <= (3*df.Data.std())]
# keep only the ones that are within +3 to -3 standard deviations in the column 'Data'.
df[~(np.abs(df.Data-...
Tools to search for strings inside files without indexing [closed]
... fast, lean and it is free.
Tested on Windows 7, 8, 10 and Windows Server 2008 R2.
Allows regular expressions.
AstroGrep is a Microsoft Windows GUI File Searching (grep) utility. Its features include regular expressions, versatile printing options, stores most recent used paths and has a "con...