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Recommendation for compressing JPG files with ImageMagick
...ity 92 (see www.imagemagick.org)
The suggestion is about a really awesome free tool ImageOptim, also for batch process.
You can get smaller jpgs (and pngs as well, especially after the use of the free ImageAlpha [not batch process] or the free Pngyu if you need batch process).
Not only, these tools...
Measure elapsed time in Swift
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Use clock, ProcessInfo.systemUptime, or DispatchTime for simple start-up time.
There are, as far as I know, at least ten ways to measure elapsed time:
Monotonic Clock based:
ProcessInfo.systemUptime.
mach_absolute_time with mach_timebase...
Django-DB-Migrations: cannot ALTER TABLE because it has pending trigger events
...inside a transaction. In PostgreSQL you must not update the table and then alter the table schema in one transaction.
You need to split the data migration and the schema migration. First create the data migration with this code:
for sender in orm['fooapp.EmailSender'].objects.filter(footer=None):...
C++ display stack trace on exception
...strings containing "filename(function+address)",
// this array must be free()-ed
char** symbollist = backtrace_symbols(addrlist, addrlen);
// allocate string which will be filled with the demangled function name
size_t funcnamesize = 256;
char* funcname = (char*)malloc(funcnames...
How do I log a Python error with debug information?
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The exception method simply calls error(message, exc_info=1). As soon as you pass exc_info to any of the logging methods from an exception context, you will get a traceback.
– Helmut Grohne
Jun 25 '13 at 18:46
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Javadoc: package.html or package-info.java
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package-info.java: "This file is new in JDK 5.0, and is preferred over package.html."—javadoc - The Java API Documentation Generator
Addendum: The big difference seems to be package annotations. There's a little more in the way of...
Signing a Windows EXE file
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You can get a free cheap code signing certificate from Certum if you're doing open source development.
I've been using their certificate for over a year, and it does get rid of the unknown publisher message from Windows.
As far as sign...
Better way of incrementing build number?
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If I understand your question correctly, you want to modify the Project-Info.plist file, which is a part of the standard project template of Xcode?
The reason I ask this is that Project-Info.plist normally is under version control, and modifying it means that it will be marked as, well, modifie...
How to see full query from SHOW PROCESSLIST
...ry, only first 100 characters of the running SQL query are returned in the info column.
5 Answers
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Why should I use an IDE? [closed]
...rent tools it can become a hassle. I've been learning vim currently and, although it's hard to get used to at first, it quickly pays off when I can find it in different systems and for many different languages.
– Isaac Nequittepas
May 31 '11 at 13:16
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