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MySQL: How to copy rows, but change a few fields?
...r table has like 1000 columns or something and you don't want to type them all, then you could write a SQL statement to build your SQL statement :). The way you would do it would be to use the information_schema to get the column names for the table. But that's really overkill, I'd just type out the...
How to retrieve all keys (or values) from a std::map and put them into a vector?
... to read depending on the skill level of your fellow programmers. Additionally, it moves functionality away from the call site. Which can make maintenance a little more difficult.
I'm not sure if your goal is to get the keys into a vector or print them to cout so I'm doing both. You may try somet...
What does “yield break;” do in C#?
...Out.WriteLine("You will see me");
Note that after the loop has completed all its cycles, the last line gets executed and you will see the message in your console app.
Or like this with yield break:
int i = 0;
while (true)
{
if (i < 5)
{
yield return i;
}
else
{
...
CSS image resize percentage of itself?
...img.fake is the same image.
Browser support note: This method will work in all browsers, because all browsers support css properties used in method.
The method works in this way:
#wrap and #wrap img.fake have flow
#wrap has overflow: hidden so that its dimensions are identical to inner image (img.f...
If i synchronized two methods on the same class, can they run simultaneously?
... a add on to this question. Suppose both method are static now methodA is called using Class while methodB is called using object like A.methodA() in t1 and obj.methodB() in t2. What will happen now, will they block????
– amod
Mar 21 '13 at 12:16
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How to install GCC piece by piece with GMP, MPFR, MPC, ELF, without shared libraries?
How do I install GCC (the GNU Compiler Collection) piece by piece, using the current version,
using the correct versions of dependencies, not using a package manager (like yum, rpm, apt, dpkg), and not using shared libraries?
...
How does one reorder columns in a data frame?
... has four columns like so df[,c(1,2,3,4)].
Note the first comma means keep all the rows, and the 1,2,3,4 refers to the columns.
To change the order as in the above question do df2[,c(1,3,2,4)]
If you want to output this file as a csv, do write.csv(df2, file="somedf.csv")
...
How can I test an AngularJS service from the console?
...the injector of AngularJS first (the injector is responsible for wiring up all the dependencies and providing them to components).
To get the injector of your app you need to grab it from an element that angular is handling. For example if your app is registered on the body element you call injecto...
How to delete an app from iTunesConnect / App Store Connect
...
Edit December 2018: Apple seem to have finally added a button for removing the app in certain situations, including apps that never went on sale (thanks to @iwill for pointing that out), basically making the below answer irrelevant.
Edit: turns out the deleted apps ...
Directory-tree listing in Python
How do I get a list of all files (and directories) in a given directory in Python?
20 Answers
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