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What are the differences between the different saving methods in Hibernate?
... differences between persist and save. It looks like the difference is the time the INSERT statement is ultimately executed. Since save does return the identifier, the INSERT statement has to be executed instantly regardless of the state of the transaction (which generally is a bad thing). Persist w...
How to replace strings containing slashes with sed?
...lps. I have been finding I need to put in lots and lots of backslashes sometimes...and it gets really confusing. eg -e "s/'/\\\\\\\&/g" I think the text is wrong, though: "Which would replace \ with foo" - should be "Which would replace / with foo", no?
– Max Waterman
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Get the time difference between two datetimes
... more envolving Dates with momentjs. But embarrassingly, I'm having a hard time trying to do something that seems simple: geting the difference between 2 times.
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Servlet for serving static content
...erialVersionUID = 1L;
private static final long ONE_SECOND_IN_MILLIS = TimeUnit.SECONDS.toMillis(1);
private static final String ETAG_HEADER = "W/\"%s-%s\"";
private static final String CONTENT_DISPOSITION_HEADER = "inline;filename=\"%1$s\"; filename*=UTF-8''%1$s";
public static fin...
How to get the current time in Python
What is the module/method used to get the current time?
42 Answers
42
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Using Git, how could I search for a string across all branches?
...ommand gave the error you mentioned! But warning, this can take VERY long time for a large repo with a long history.
– lacostenycoder
Feb 28 '18 at 16:29
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Batch script loop
I need to execute a command 100-200 times, and so far my research indicates that I would either have to copy/paste 100 copies of this command, OR use a for loop, but the for loop expects a list of items, hence I would need 200 files to operate on, or a list of 200 items, defeating the point.
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C++ performance vs. Java/C#
...ter because the JIT compiler -- a compiler that compiles your IL the first time it's executed -- can make optimizations that a C++ compiled program cannot because it can query the machine. It can determine if the machine is Intel or AMD; Pentium 4, Core Solo, or Core Duo; or if supports SSE4, etc.
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Android studio Gradle build speed up
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Definitely makes a difference: How To… Speed up Gradle build time
Just create a file named gradle.properties in the following directory:
/home/<username>/.gradle/ (Linux)
/Users/<username>/.gradle/ (Mac)
C:\Users\<username>\.gradle (Windows)
Add this line to the f...
MyISAM versus InnoDB [closed]
...The reads can be dirty (e.g. I don't need 100% accurate information at the time of read).
The task in question will be doing over 1 million database transactions an hour.
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