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Printf width specifier to maintain precision of floating-point value
...85714285
printf("%.*f\n", OP_DBL_Digs + 6, OneSeventh/1000000.0);
// 0.00000014285714285714285
Note: Many are use to "%f". That displays 6 digits after the decimal point; 6 is the display default, not the precision of the number.
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Oracle SQL: Update a table with data from another table
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YahiaYahia
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How to print a query string with parameter values when using Hibernate
...| TRACE | o.h.t.d.s.BasicBinder:64 - binding parameter [1] as [VARCHAR] - [001]
2020-12-07 | TRACE | o.h.t.d.s.BasicBinder:64 - binding parameter [2] as [VARCHAR] - [John Smith]
2020-12-07 | TRACE | o.h.t.d.s.BasicBinder:52 - binding parameter [3] as [VARCHAR] - [null]
2020-12-07 | TRACE | o.h.t.d.s...
How to change the output color of echo in Linux
... In an ant property file use unicode for the esacpe, e.g. red=\u001b[0;31m
– shonky linux user
Oct 1 '13 at 0:55
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How to run test methods in specific order in JUnit4?
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We've actually tried a similar method test_001_login(), for example, but although it mostly works to preserve order, it is not guaranteed- we have several instances per test run where 004, 005, and 006 are run after 007. It makes you say, "WTF!," and run to StackOverf...
How to get all subsets of a set? (powerset)
...ill take values between 0 and 7 (inclusive), which in binary are:
000 # 0
001 # 1
010 # 2
011 # 3
100 # 4
101 # 5
110 # 6
111 # 7
So, each bit could serve as an indicator if an element of the original set should be added or not. Look at the binary numbers, and just think of each number as an elem...
What is the best way to find the users home directory in Java?
...nt MAX_PATH = 260;
public static final int CSIDL_LOCAL_APPDATA = 0x001c;
public static final int SHGFP_TYPE_CURRENT = 0;
public static final int SHGFP_TYPE_DEFAULT = 1;
public static final int S_OK = 0;
static Shell32 INSTANCE = (Shell32) Native.loadLibrary("...
How do I time a method's execution in Java?
...a.time.Duration.between(start, end);
System.out.println( between ); // PT1.001S
System.out.format("%dD, %02d:%02d:%02d.%04d \n", between.toDays(),
between.toHours(), between.toMinutes(), between.getSeconds(), between.toMillis()); // 0D, 00:00:01.1001
Spring Framework provides StopWatch ...
Best practices for in-app database migration for Sqlite
...d migrations, where each migration looks something like this:
/migrations/001-categories.sql
-- Up
CREATE TABLE Category (id INTEGER PRIMARY KEY, name TEXT);
INSERT INTO Category (id, name) VALUES (1, 'Test');
-- Down
DROP TABLE User;
/migrations/002-posts.sql
-- Up
CREATE TABLE Post (id INTEG...
How to make inline functions in C#
...mitted a lot of class setup stuff)
This is the Main function:
IL_001f: stloc.0
IL_0020: ldstr "P1 = {0}"
IL_0025: ldloc.0
IL_0026: ldc.i4.5
IL_0027: callvirt instance !1 class [mscorlib]System.Func`2<int32, int32>::Invoke(!0)
IL_002c: box [msco...