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The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

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PSQL

Magic words:

psql -U postgres

Some interesting flags (to see all, use -h):

• -E: will describe the underlaying queries of the \ commands (cool for learning!)
• -l: psql will list all databases and then exit (useful if the user you connect with doesn't has a default database, like at AWS RDS)

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The main thing to watch out for is that Flyway requires a linear versioning to the files, so if two developers check in migrations at the same time, one of them will have to rename theirs.


https://github.com/flyway/flyway/issues/607


https://github.com/flyway/flyway/issues/404

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jmh@debian:~/jmh/jmh-samples$ java -jar target/benchmarks.jar JMHSample_03 -wi 5 -i 5 -t 4 -f 1
# VM invoker: /usr/lib/jvm/java-8-oracle/jre/bin/java
# VM options: <none>
# Warmup: 5 iterations, 1 s each
# Measurement: 5 iterations, 1 s each
# Timeout: 10 min per iteration
# Threads: 4 threads, will synchronize iterations
# Benchmark mode: Throughput, ops/time
# Benchmark: org.openjdk.jmh.samples.JMHSample_03_States.measureShared

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jmh@debian:~/jmh/jmh-samples$ java -jar target/benchmarks.jar JMHSample_03 -wi 5 -i 5 -t 4 -f 1
# VM invoker: /usr/lib/jvm/java-8-oracle/jre/bin/java
# VM options: <none>
# Warmup: 5 iterations, 1 s each
# Measurement: 5 iterations, 1 s each
# Timeout: 10 min per iteration
# Threads: 4 threads, will synchronize iterations
# Benchmark mode: Throughput, ops/time
# Benchmark: org.openjdk.jmh.samples.JMHSample_03_States.measureShared

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diff -r 96a023de3ddf make/sun/font/Makefile
--- a/make/sun/font/Makefile	Wed Jun 06 18:39:46 2012 -0700
+++ b/make/sun/font/Makefile	Fri Jun 08 12:52:01 2012 +0900
@@ -128,7 +128,7 @@
   ifeq ($(USING_SYSTEM_FT_LIB), false)
     FREETYPE_LIB = $(LIB_LOCATION)/$(LIB_PREFIX)freetype.$(LIBRARY_SUFFIX).6
   endif
-  OTHER_LDLIBS += -L$(FREETYPE_LIB_PATH) -lfreetype
+  OTHER_LDLIBS += -L$(FREETYPE_LIB_PATH) -lfreetype -lfontconfig
 endif 

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Running Steam on ubuntu 12.04 32-bit
STEAM_RUNTIME is enabled automatically
Installing breakpad exception handler for appid(steam)/version(1367538058_client)
Installing breakpad exception handler for appid(steam)/version(1367538058_client)
unlinked 0 orphaned pipes
GLib-GIO-Message: Using the 'memory' GSettings backend.  Your settings will not be saved or shared with other applications.
Installing breakpad exception handler for appid(steam)/version(1367538058_client)
[0503/201910:WARNING:proxy_service.cc(646)] PAC support disabled because there is no system implementation
Installing breakpad exception handler for appid(steam)/version(1367538058_client)
Installing breakpad exception handler for appid(steam)/version(1367538058_client)

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Processor Information:
    Vendor:  GenuineIntel
    Speed: 2400 Mhz
    1 logical processor
    0 physical processor
    HyperThreading:  Supported
    FCMOV:  Supported
    SSE2:  Supported
    SSE3:  Supported
    SSSE3:  Unsupported