大约有 45,000 项符合查询结果（耗时：0.0623秒） [XML]
mongodb, replicates and error: { “$err” : “not master and slaveOk=false”, “code” : 13435 }
...l know that you're allowing reads from a secondary. This is to protect you and your applications from performing eventually consistent reads by accident. You can do this in the shell with:
rs.slaveOk()
After that you can query normally from secondaries.
A note about "eventual consistency": unde...
Beyond Stack Sampling: C++ Profilers
The date is 12/02/10. The days before Christmas are dripping away and I've pretty much hit a major road block as a windows programmer. I've been using AQTime, I've tried sleepy, shiny, and very sleepy, and as we speak, VTune is installing. I've tried to use the VS2008 profiler, and it's been posi...
Static method behavior in multi-threaded environment in java
There's a simple stupid question that bother me and make several arguments in my mind.
I want to throw out all the doubts about below questions.
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Best way to store password in database [closed]
I am working on a project that has to have authentication (username and password)
8 Answers
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Prevent errors from breaking / crashing gulp watch
I'm running gulp 3.6.2 and have the following task that was set up from a sample online
8 Answers
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GNU Makefile rule generating a few targets from a single source file
.... There is a program, call it foo-bin , that takes in a single input file and generates two output files. A dumb Makefile rule for this would be:
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recursion versus iteration
...rrect to say that everywhere recursion is used a for loop could be used? And if recursion is usually slower what is the technical reason for ever using it over for loop iteration?
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Determining complexity for recursive functions (Big O notation)
I have a Computer Science Midterm tomorrow and I need help determining the complexity of these recursive functions. I know how to solve simple cases, but I am still trying to learn how to solve these harder cases. These were just a few of the example problems that I could not figure out. Any help wo...
Android - Spacing between CheckBox and text
...ere an easy way to add padding between the checkbox in a CheckBox control, and the associated text?
29 Answers
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Compile, Build or Archive problems with Xcode 4 (and dependencies)
...ed over the past several weeks to cover more general issues with xcode4 (and upgrading projects form older xcode s).
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