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Break a previous commit into multiple commits

...t recent commit, first: $ git reset HEAD~ Now commit the pieces individually in the usual way, producing as many commits as you need. B) Splitting a commit farther back This requires rebasing, that is, rewriting history. To find the correct commit, you have several choices: If it was three co...
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What strategies and tools are useful for finding memory leaks in .NET?

... this as the answer because its what worked for me in the end, but I think all of the other answers are very useful. By the way, this tool is more commonly called SciTech's Mem Profiler! – Scott Langham Oct 9 '08 at 12:44 ...
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How to enumerate an object's properties in Python?

...oes not return dynamic members (i.e., object attributes and methods dynamically defined by that object's __getattr__() method or similar magic). In all likelihood, your desired file.ImplementationName property is defined dynamically and hence not available to vars() or dir(). –...
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Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?

...he misses on matice1 are not the problem because they are accessed sequentially. However for matice2 if a full column fits in L2 (i.e when you access matice2[0, 0], matice2[1, 0], matice2[2, 0] ... etc, nothing gets evicted) than there is no problem with cache misses with matice2 either. Now to go ...
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How do you use the “WITH” clause in MySQL?

I am converting all my SQL Server queries to MySQL and my queries that have WITH in them are all failing. Here's an example: ...
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Vim: insert the same characters across multiple lines

...e the screen in the first line - until Esc is pressed (6.), at which point all lines will be updated. Press Esc. An uppercase I must be used rather than a lowercase i, because the lowercase i is interpreted as the start of a text object, which is rather useful on its own, e.g. for selecting insi...
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What is the best data type to use for money in C#?

...d to floating-point types, the decimal type has more precision and a smaller range, which makes it appropriate for financial and monetary calculations. You can use a decimal as follows: decimal myMoney = 300.5m; sh...
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Downloading an entire S3 bucket?

...eleased their Command Line Tools, which work much like boto and can be installed using sudo easy_install awscli or sudo pip install awscli Once installed, you can then simply run: aws s3 sync s3://<source_bucket> <local_destination> For example: aws s3 sync s3://mybucket . ...
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Maven build failed: “Unable to locate the Javac Compiler in: jre or jdk issue”

...s: Add and set the JRE in menu Window → Preferences... → Java → Installed JREs: JRE type: Standard VM JRE Name: jdk1.6.0_18 JRE home directory: C:\Program Files (x86)\Java\jdk1.6.0_18 If this is not the case, it's possible that the brackets and spaces in the JAVA_HOME path are causing issu...
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How to remove all null elements from a ArrayList or String Array?

... Try: tourists.removeAll(Collections.singleton(null)); Read the Java API. The code will throw java.lang.UnsupportedOperationException for immutable lists (such as created with Arrays.asList); see this answer for more details. ...