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Reading binary file and looping over each byte
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396
Python 2.4 and Earlier
f = open("myfile", "rb")
try:
byte = f.read(1)
while byte != "...
Delete files older than 3 months old in a directory using .NET
...o know (using C#) how I can delete files in a certain directory older than 3 months, but I guess the date period could be flexible.
...
How can I download a specific Maven artifact in one command line?
...lns="http://maven.apache.org/PLUGIN_REGISTRY/1.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<useVersion>...
How to drop columns using Rails migration
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938
remove_column :table_name, :column_name
For instance:
remove_column :users, :hobby
would r...
String concatenation: concat() vs “+” operator
...ng.String);
Code:
0: new #2; //class java/lang/StringBuilder
3: dup
4: invokespecial #3; //Method java/lang/StringBuilder."<init>":()V
7: aload_1
8: invokevirtual #4; //Method java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
11:...
Caveats of select/poll vs. epoll reactors in Twisted
... sets you can use with select (read, write, exception). Compared to those 384 bytes max, epoll is sort of a pig. Each file descriptor is represented by a multi-byte structure. However, in absolute terms, it's still not going to use much memory. You can represent a huge number of file descriptors...
Difference between GIT and CVS
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338
The main difference is that (as it was already said in other responses) CVS is (old) centraliz...
surface plots in matplotlib
I have a list of 3-tuples representing a set of points in 3D space. I want to plot a surface that covers all these points.
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How do you debug a regex? [closed]
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31
Too bad it's Windows-only and costs US$40.
– kennytm
Feb 27 '10 at 19:51
...
Cannot find JavaScriptSerializer in .Net 4.0
...ck if you included the .net 4 version of System.Web.Extensions - there's a 3.5 version as well, but I don't think that one works.
These steps work for me:
Create a new console application
Change the target to .net 4 instead of Client Profile
Add a reference to System.Web.Extensions (4.0)
Have acc...