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What's the difference between using “let” and “var”?
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edited Apr 29 at 13:14
community wiki
31 r...
Calculating Distance between two Latitude and Longitude GeoCoordinates
...ting the distance between two GeoCoordinates. I'm testing my app against 3-4 other apps. When I'm calculating distance, I tend to get an average of 3.3 miles for my calculation whereas other apps are getting 3.5 miles. It's a big difference for the calculation I'm trying to perform. Are there any go...
When can I use a forward declaration?
...te type (but without using its members):
void f3(X*, X&) {}
X& f4() {}
X* f5() {}
What you cannot do with an incomplete type:
Use it as a base class
class Foo : X {} // compiler error!
Use it to declare a member:
class Foo {
X m; // compiler error!
};
Define fun...
Common xlabel/ylabel for matplotlib subplots
...ws=3, ncols=3, sharex=True, sharey=True, figsize=(6, 6))
fig.text(0.5, 0.04, 'common X', ha='center')
fig.text(0.04, 0.5, 'common Y', va='center', rotation='vertical')
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Image width/height as an attribute or in CSS? [duplicate]
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VirtuosiMediaVirtuosiMedia
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Git is ignoring files that aren't in gitignore
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Filling a DataSet or DataTable from a LINQ query result set
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edited May 4 '12 at 9:01
mattytommo
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App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 - App Invent...
...要弄错以免烧坏硬件）一般来说，需要接线的端口有以下4个，无论哪款蓝牙硬件，也无论哪种其他硬件，这4个端口都是基本的存在：VCC（正极）、GND（接地负极）、TX、RX 交叉接线，参考接线如图：2、串口工具测试接线完成后...
Dynamically changing font size of UILabel
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edited Mar 31 at 19:49
luke
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answered Feb 1...
In MVVM should the ViewModel or Model implement INotifyPropertyChanged?
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akjoshi
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answered Apr 21 '09 at 12:09
Steven Robbin...