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How should I escape strings in JSON?
...lly, how should I escape string fields? Should I use something like Apache Commons Lang's StringEscapeUtilities.escapeHtml , StringEscapeUtilities.escapeXml , or should I use java.net.URLEncoder ?
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How to remove an HTML element using Javascript?
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Powershell v3 Invoke-WebRequest HTTPS error
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This work-around worked for me:
http://connect.microsoft.com/PowerShell/feedback/details/419466/new-webserviceproxy-needs-force-parameter-to-ignore-ssl-errors
Basically, in your PowerShell script:
add-type @"
using System.Net;
using System.Security.Cryptography.X509Certif...
WiX tricks and tips
...h" Type="raw" Root="HKLM" Win64="$(var.Win64)"
Key="Software\Company\Product" Name="InstallLocation" />
</Property>
Note: WiX guru Rob Mensching has posted an excellent blog entry which goes into more detail and fixes an edge case when properties are set from the command li...
bool operator ++ and --
Today while writing some Visual C++ code I have come across something which has surprised me. It seems C++ supports ++ (increment) for bool, but not -- (decrement). It this just a random decision, or there is some reason behind this?
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What is a proper naming convention for MySQL FKs?
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how to draw smooth curve through N points using javascript HTML5 canvas?
.... This is because the two curves share an end point but are influenced by completely disjoint control points. One solution is to "curve to" the midpoints between the next 2 subsequent sample points. Joining the curves using these new interpolated points gives a smooth transition at the end points...
What is the difference between NaN and None?
...ut[13]: dtype('O')
In [14]: s_good.dtype
Out[14]: dtype('float64')
Jeff comments (below) on this:
np.nan allows for vectorized operations; its a float value, while None, by definition, forces object type, which basically disables all efficiency in numpy.
So repeat 3 times fast: ob...
How do I convert a String to an int in Java?
...Alternatively, you can use an Ints method from the Guava library, which in combination with Java 8's Optional, makes for a powerful and concise way to convert a string into an int:
import com.google.common.primitives.Ints;
int foo = Optional.ofNullable(myString)
.map(Ints::tryParse)
.orElse(0)
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What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
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