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The difference between try/catch/throw and try/catch(e)/throw e
... have a Person class with a .Save() method that will persist it into a database. Let's say that your application executes the Person.Save() method somewhere. If your DB refuses to save the Person, then .Save() will throw an exception. Should you use throw or throw e in this case? Well, it depends.
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What is the difference between save and export in Docker?
... a physical server, that would be the installation .ISO image or disk. The base operating system.
It will pack the layers and metadata of all the chain required to build the image. You can then load this "saved" images chain into another docker instance and create containers from these images.
expo...
How often does python flush to a file?
...is what you need.
EDIT: I think you would auto-flush in python this way (based
from here)
#0 means there is no buffer, so all output
#will be auto-flushed
fsock = open('out.log', 'w', 0)
sys.stdout = fsock
#do whatever
fsock.close()
...
Finding Number of Cores in Java
... other threads and processes, this is the number the calculation should be based on.
– malamut
Nov 28 '19 at 9:09
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What's wrong with cplusplus.com?
...n unforgiveable error, it just shows that the cplusplus description wasn't based on the standard.
– Steve Jessop
Jun 29 '11 at 12:27
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How can I use numpy.correlate to do autocorrelation?
...ew lines of code that allow you to compute the autocorrelation of a signal based only on the mathematical properties of the autocorrelation. That is, the autocorrelation may be computed in the following way:
subtract the mean from the signal and obtain an unbiased signal
compute the Fourier transf...
git push to specific branch
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The default "remote" is based on the current branch's configuration (in this case it will indeed be origin). The branch(es) to push defaults (in current versions of git) to : if unset, which means matching, but that's supposed to change in the futu...
I need to pop up and trash away a “middle” commit in my master branch. How can I do it?
...bf16e6f04321f966b4231371b21475bc4da, which is the second due to previous rebase:
3 Answers
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Add directives from directive in AngularJS
...o identify all registered directives and compile the directives one by one based on priority if these directives are on the same element. We set our custom directive's priority to a high number to ensure that it will be compiled first and with terminal: true, the other directives will be skipped aft...
Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?
...t?
PostgreSQL - yes
MySQL - no; DDL causes an implicit commit
Oracle Database 11g Release 2 and above - by default, no, but an alternative called edition-based redefinition exists
Older versions of Oracle - no; DDL causes an implicit commit
SQL Server - yes
Sybase Adaptive Server - yes
DB2 - yes
I...